ARKE/oracle verification
// immutable prediction ledger

PredictionMarketOracle.sol

200
PREDICTIONS
200
RESOLVED
Arc Testnet
CHAIN
#20360
ERC-8004 ID
// ERC-8004 registered agent #20360 — Identity + Reputation registries on Arc testnet. Skill score (Murphy 1973) is written to the Reputation Registry as a self-attestation after each resolver run. see calibration →
// verify it yourself

1. Open the contract on Arc explorer (link above)

2. Call getPredictionCount() — should return 200

3. Call getAccuracy() — edge-vs-market metric (requires Arke to beat consensus)

4. Each tx hash below links to the individual prediction record

5. Resolution txs contain the outcome and correctness score

// contract address: 0x767D0eD2850D57C4EF969976088Be44A5Adcfa07
// resolved predictions — 200 of 200
Will FC Groningen win on 2026-08-09?✗ INCORRECT
arke 40% vs mkt 66%2026-08-09
US announces end of Iranian blockade by August 15, 2026?✗ INCORRECT
arke 59% vs mkt 62%2026-08-08
US announces end of Iranian blockade by August 7, 2026?✓ CORRECT
arke 14% vs mkt 11%2026-08-07
Bitcoin Up or Down on August 7?✗ INCORRECT
arke 35% vs mkt 35%2026-08-07
Will CF Cruz Azul win on 2026-08-06?✓ CORRECT
arke 63% vs mkt 67%2026-08-07
Will RSC Anderlecht win on 2026-08-06?✓ CORRECT
arke 53% vs mkt 56%2026-08-06
Bitcoin Up or Down on August 6?✗ INCORRECT
arke 49% vs mkt 45%2026-08-06
Will the price of Bitcoin be above $66,000 on August 6?✓ CORRECT
arke 5% vs mkt 5%2026-08-06
Will Nashville SC win on 2026-08-05?✓ CORRECT
arke 42% vs mkt 37%2026-08-06
Will Paris Saint-Germain win on 2026-08-05?✗ INCORRECT
arke 60% vs mkt 45%2026-08-05
Exact Score: CF Villarreal C 0 - 0 Levante UD?✓ CORRECT
arke 6% vs mkt 10%2026-08-05
Will Santos FC win on 2026-08-04?✗ INCORRECT
arke 50% vs mkt 63%2026-08-05
Will FK Crvena zvezda win on 2026-08-04?✓ CORRECT
arke 32% vs mkt 25%2026-08-04
Will Donavan McKinney be the Democratic Nominee for MI-13?✓ CORRECT
arke 88% vs mkt 87%2026-08-04
Will Shri Thanedar be the Democratic Nominee for MI-13?✓ CORRECT
arke 46% vs mkt 14%2026-08-04
Will the price of Bitcoin be above $62,000 on August 4?✓ CORRECT
arke 93% vs mkt 91%2026-08-04
Will FK Shakhtar Donetsk win on 2026-08-03?✓ CORRECT
arke 91% vs mkt 95%2026-08-03
US announces end of Iranian blockade by August 7, 2026?✓ CORRECT
arke 18% vs mkt 18%2026-08-03
Israel x Iran ceasefire continues through August 9?✓ CORRECT
arke 76% vs mkt 91%2026-08-03
Will Malmo FF win on 2026-08-02?✗ INCORRECT
arke 48% vs mkt 41%2026-08-02
Israel x Iran ceasefire continues through August 3?✓ CORRECT
arke 82% vs mkt 95%2026-08-02
Bitcoin Up or Down on August 1?✓ CORRECT
arke 71% vs mkt 85%2026-08-01
Israel x Iran ceasefire continues through August 2?✓ CORRECT
arke 68% vs mkt 82%2026-08-01
Will New York City FC win on 2026-07-31?✗ INCORRECT
arke 62% vs mkt 57%2026-07-31
Will Bitcoin dip to $62,500 in July?✗ INCORRECT
arke 5% vs mkt 5%2026-07-31
Will Ethereum reach $2,000 in July?✓ CORRECT
arke 5% vs mkt 6%2026-07-31
Will Apple be the largest company in the world by market cap on July 31?✗ INCORRECT
arke 77% vs mkt 89%2026-07-30
US x Iran Effective Ceasefire by July 31?✗ INCORRECT
arke 39% vs mkt 21%2026-07-30
U.S. anti-cartel operation outside of the U.S. by July 31?✗ INCORRECT
arke 58% vs mkt 71%2026-07-30
Will SE Palmeiras win on 2026-07-29?✗ INCORRECT
arke 47% vs mkt 43%2026-07-30
Will WTI Crude Oil (WTI) hit (HIGH) $90 in July?✓ CORRECT
arke 34% vs mkt 24%2026-07-29
Will the Fed increase interest rates by 25 bps after the July 2026 meeting?✓ CORRECT
arke 21% vs mkt 24%2026-07-29
Will Bitcoin dip to $60,000 in July?✓ CORRECT
arke 9% vs mkt 8%2026-07-29
Will NVIDIA be the largest company in the world by market cap on July 31?✗ INCORRECT
arke 44% vs mkt 22%2026-07-29
Will CA Rosario Central win on 2026-07-28?✓ CORRECT
arke 39% vs mkt 47%2026-07-28
Will there be no change in Fed interest rates after the July 2026 meeting?✓ CORRECT
arke 68% vs mkt 75%2026-07-28
Will Bitcoin dip to $60,000 in July?✓ CORRECT
arke 15% vs mkt 18%2026-07-28
Will Bitcoin dip to $62,500 in July?✗ INCORRECT
arke 49% vs mkt 76%2026-07-28
Will WTI Crude Oil (WTI) hit (HIGH) $95 in July?✓ CORRECT
arke 7% vs mkt 5%2026-07-27
Will Bitcoin reach $67,500 in July?✓ CORRECT
arke 35% vs mkt 31%2026-07-27
US announces end of Iranian blockade by July 31, 2026?✓ CORRECT
arke 9% vs mkt 12%2026-07-27
Will CF Pachuca win on 2026-07-26?✗ INCORRECT
arke 70% vs mkt 59%2026-07-27
Will Cruzeiro EC win on 2026-07-26?✗ INCORRECT
arke 59% vs mkt 57%2026-07-26
Will the Fed increase interest rates by 25 bps after the July 2026 meeting?✓ CORRECT
arke 16% vs mkt 19%2026-07-26
US x Iran Effective Ceasefire by July 31?✗ INCORRECT
arke 31% vs mkt 38%2026-07-26
Israel x Iran ceasefire continues through July 31?✓ CORRECT
arke 68% vs mkt 80%2026-07-25
Will there be no change in Fed interest rates after the July 2026 meeting?✓ CORRECT
arke 61% vs mkt 74%2026-07-25
Israel x Iran ceasefire continues through July 25?✓ CORRECT
arke 69% vs mkt 77%2026-07-24
Will Hammarby Fotboll win on 2026-07-23?✓ CORRECT
arke 15% vs mkt 10%2026-07-23
Will Colorado Rapids SC win on 2026-07-22?✗ INCORRECT
arke 48% vs mkt 52%2026-07-23
Will the Fed increase interest rates by 25 bps after the July 2026 meeting?✓ CORRECT
arke 31% vs mkt 14%2026-07-22
Will there be no change in Fed interest rates after the July 2026 meeting?✓ CORRECT
arke 71% vs mkt 85%2026-07-22
Will SK Puntigamer Sturm Graz win on 2026-07-21?✓ CORRECT
arke 62% vs mkt 70%2026-07-21
US x Iran Effective Ceasefire by July 24?✓ CORRECT
arke 6% vs mkt 10%2026-07-21
Will Sabah FK win on 2026-07-21?✓ CORRECT
arke 58% vs mkt 59%2026-07-20
Exact Score: Spain 2 - 1 Argentina?✓ CORRECT
arke 14% vs mkt 13%2026-07-19
Exact Score: Spain 1 - 2 Argentina?✓ CORRECT
arke 8% vs mkt 8%2026-07-19
Will Spain win on 2026-07-19?✓ CORRECT
arke 48% vs mkt 42%2026-07-19
Will Argentina win on 2026-07-19?✓ CORRECT
arke 31% vs mkt 27%2026-07-19
Exact Score: France 2 - 1 England?✓ CORRECT
arke 13% vs mkt 12%2026-07-18
Will France win on 2026-07-18?✓ CORRECT
arke 47% vs mkt 52%2026-07-18
Exact Score: Spain 2 - 2 Argentina?✓ CORRECT
arke 8% vs mkt 5%2026-07-18
Exact Score: France 3 - 2 England?✓ CORRECT
arke 6% vs mkt 5%2026-07-18
Exact Score: Spain 2 - 1 Argentina?✓ CORRECT
arke 10% vs mkt 10%2026-07-17
Exact Score: Spain 1 - 2 Argentina?✓ CORRECT
arke 9% vs mkt 7%2026-07-17
Exact Score: France 3 - 1 England?✓ CORRECT
arke 9% vs mkt 7%2026-07-17
Will Spain win on 2026-07-19?✓ CORRECT
arke 40% vs mkt 43%2026-07-17
Will Argentina win on 2026-07-19?✓ CORRECT
arke 26% vs mkt 27%2026-07-16
Will France win on 2026-07-18?✓ CORRECT
arke 48% vs mkt 50%2026-07-16
Will Iran announce withdrawal from MOU negotiations by July 17?✓ CORRECT
arke 20% vs mkt 5%2026-07-16
Exact Score: England 2 - 1 Argentina?✓ CORRECT
arke 17% vs mkt 9%2026-07-15
Will Argentina win on 2026-07-15?✗ INCORRECT
arke 37% vs mkt 31%2026-07-15
Exact Score: England 0 - 0 Argentina?✓ CORRECT
arke 14% vs mkt 11%2026-07-14
Will England win on 2026-07-15?✓ CORRECT
arke 42% vs mkt 36%2026-07-14
Exact Score: France 0 - 0 Spain?✓ CORRECT
arke 11% vs mkt 8%2026-07-13
Exact Score: France 2 - 1 Spain?✓ CORRECT
arke 16% vs mkt 11%2026-07-13
Will Spain win on 2026-07-14?✗ INCORRECT
arke 38% vs mkt 29%2026-07-13
Will France win on 2026-07-14?✓ CORRECT
arke 40% vs mkt 42%2026-07-12
Will Switzerland win on 2026-07-11?✓ CORRECT
arke 19% vs mkt 14%2026-07-12
Exact Score: Norway 2 - 2 England?✓ CORRECT
arke 16% vs mkt 7%2026-07-11
Exact Score: Norway 1 - 2 England?✓ CORRECT
arke 22% vs mkt 12%2026-07-11
Will England win on 2026-07-11?✗ INCORRECT
arke 52% vs mkt 51%2026-07-11
Will Belgium win on 2026-07-10?✓ CORRECT
arke 20% vs mkt 16%2026-07-10
Will Argentina win on 2026-07-11?✗ INCORRECT
arke 58% vs mkt 57%2026-07-10
Will Norway win on 2026-07-11?✓ CORRECT
arke 33% vs mkt 22%2026-07-10
Exact Score: France 3 - 1 Morocco?✓ CORRECT
arke 16% vs mkt 7%2026-07-09
Will Spain win on 2026-07-10?✓ CORRECT
arke 57% vs mkt 60%2026-07-09
Exact Score: France 2 - 1 Morocco?✓ CORRECT
arke 18% vs mkt 11%2026-07-08
Will Morocco win on 2026-07-09?✓ CORRECT
arke 22% vs mkt 15%2026-07-08
Will France win on 2026-07-09?✓ CORRECT
arke 58% vs mkt 63%2026-07-08
Will Colombia win on 2026-07-07?✓ CORRECT
arke 31% vs mkt 43%2026-07-07
Will Spain win on 2026-07-06?✓ CORRECT
arke 52% vs mkt 49%2026-07-06
Exact Score: Mexico 2 - 1 England?✓ CORRECT
arke 23% vs mkt 10%2026-07-06
Will Brazil win on 2026-07-05?✗ INCORRECT
arke 56% vs mkt 55%2026-07-05
Will Mexico win on 2026-07-05?✓ CORRECT
arke 44% vs mkt 30%2026-07-05
Will England win on 2026-07-05?✗ INCORRECT
arke 43% vs mkt 40%2026-07-05
Will France win on 2026-07-04?✓ CORRECT
arke 74% vs mkt 83%2026-07-04
Will Morocco win on 2026-07-04?✓ CORRECT
arke 51% vs mkt 52%2026-07-04
Will Egypt win on 2026-07-03?✗ INCORRECT
arke 60% vs mkt 67%2026-07-03
Will Argentina win on 2026-07-03?✗ INCORRECT
arke 77% vs mkt 86%2026-07-03
Will Portugal win on 2026-07-02?✓ CORRECT
arke 56% vs mkt 56%2026-07-02
Will Spain win on 2026-07-02?✓ CORRECT
arke 70% vs mkt 74%2026-07-02
Will Belgium win on 2026-07-01?✓ CORRECT
arke 43% vs mkt 46%2026-07-01
Will Morocco win on 2026-07-04?✓ CORRECT
arke 44% vs mkt 54%2026-07-01
Will Mexico win on 2026-06-30?✗ INCORRECT
arke 48% vs mkt 44%2026-06-30
Will France win on 2026-06-30?✓ CORRECT
arke 70% vs mkt 77%2026-06-30
Will Norway win on 2026-06-30?✗ INCORRECT
arke 47% vs mkt 46%2026-06-30
Will Netherlands win on 2026-06-29?✗ INCORRECT
arke 63% vs mkt 73%2026-06-30
Will Japan win on 2026-06-29?✓ CORRECT
arke 25% vs mkt 19%2026-06-29
Will Brazil win on 2026-06-29?✓ CORRECT
arke 57% vs mkt 57%2026-06-29
Will South Africa win on 2026-06-28?✓ CORRECT
arke 23% vs mkt 14%2026-06-28
Will Canada win on 2026-06-28?✓ CORRECT
arke 52% vs mkt 59%2026-06-28
Will Argentina win on 2026-06-27?✓ CORRECT
arke 77% vs mkt 95%2026-06-28
Will Croatia win on 2026-06-27?✗ INCORRECT
arke 48% vs mkt 55%2026-06-27
Will Portugal win on 2026-06-27?✓ CORRECT
arke 45% vs mkt 50%2026-06-27
Will Egypt win on 2026-06-26?✓ CORRECT
arke 42% vs mkt 37%2026-06-27
Strait of Hormuz traffic returns to normal by end of June?✓ CORRECT
arke 35% vs mkt 13%2026-06-26
Will Australia win on 2026-06-25?✓ CORRECT
arke 36% vs mkt 25%2026-06-26
Will Ecuador win on 2026-06-25?✗ INCORRECT
arke 30% vs mkt 21%2026-06-25
Will United States win on 2026-06-25?✓ CORRECT
arke 47% vs mkt 53%2026-06-25
Will Germany win on 2026-06-25?✗ INCORRECT
arke 56% vs mkt 65%2026-06-25
Will Bosnia and Herzegovina win on 2026-06-24?✓ CORRECT
arke 58% vs mkt 80%2026-06-24
Will Mexico win on 2026-06-24?✓ CORRECT
arke 51% vs mkt 51%2026-06-24
Will Colombia win on 2026-06-23?✓ CORRECT
arke 58% vs mkt 64%2026-06-24
Will England win on 2026-06-23?✗ INCORRECT
arke 64% vs mkt 84%2026-06-23
Will Portugal win on 2026-06-23?✓ CORRECT
arke 69% vs mkt 85%2026-06-23
Will Norway win on 2026-06-22?✓ CORRECT
arke 81% vs mkt 93%2026-06-23
Will France win on 2026-06-22?✓ CORRECT
arke 77% vs mkt 92%2026-06-22
Will Egypt win on 2026-06-21?✗ INCORRECT
arke 38% vs mkt 20%2026-06-22
Will Spain win on 2026-06-21?✓ CORRECT
arke 60% vs mkt 89%2026-06-21
Will Curaçao win on 2026-06-20?✓ CORRECT
arke 12% vs mkt 6%2026-06-21
Will Germany win on 2026-06-20?✗ INCORRECT
arke 49% vs mkt 66%2026-06-20
Will Netherlands win on 2026-06-20?✗ INCORRECT
arke 46% vs mkt 57%2026-06-20
Will Türkiye win on 2026-06-19?✓ CORRECT
arke 38% vs mkt 49%2026-06-20
Will Australia win on 2026-06-19?✓ CORRECT
arke 24% vs mkt 18%2026-06-19
Will United States win on 2026-06-19?✗ INCORRECT
arke 46% vs mkt 61%2026-06-19
Will Mexico win on 2026-06-18?✗ INCORRECT
arke 38% vs mkt 47%2026-06-19
Will Switzerland win on 2026-06-18?✗ INCORRECT
arke 50% vs mkt 64%2026-06-18
Will Czechia win on 2026-06-18?✓ CORRECT
arke 42% vs mkt 53%2026-06-18
Will England win on 2026-06-17?✗ INCORRECT
arke 40% vs mkt 59%2026-06-17
Will Portugal win on 2026-06-17?✓ CORRECT
arke 45% vs mkt 76%2026-06-17
Will Argentina win on 2026-06-16?✗ INCORRECT
arke 44% vs mkt 64%2026-06-17
Will Iraq win on 2026-06-16?✓ CORRECT
arke 6% vs mkt 7%2026-06-16
Will Senegal win on 2026-06-16?✓ CORRECT
arke 13% vs mkt 13%2026-06-16
Will France win on 2026-06-16?✗ INCORRECT
arke 42% vs mkt 66%2026-06-16
Will New Zealand win on 2026-06-15?✓ CORRECT
arke 24% vs mkt 43%2026-06-16
Will IR Iran win on 2026-06-15?✓ CORRECT
arke 35% vs mkt 55%2026-06-15
Will Belgium win on 2026-06-15?✓ CORRECT
arke 43% vs mkt 62%2026-06-15
Will Spain win on 2026-06-15?✗ INCORRECT
arke 69% vs mkt 92%2026-06-15
US x Iran permanent peace deal by June 15, 2026?✗ INCORRECT
arke 28% vs mkt 84%2026-06-15
Will Côte d'Ivoire win on 2026-06-14?✗ INCORRECT
arke 38% vs mkt 30%2026-06-14
Will Scotland win on 2026-06-13?✓ CORRECT
arke 59% vs mkt 64%2026-06-13
Will Qatar win on 2026-06-13?✓ CORRECT
arke 3% vs mkt 6%2026-06-13
Will Brazil win on 2026-06-13?✗ INCORRECT
arke 63% vs mkt 59%2026-06-13
Will Paraguay win on 2026-06-12?✓ CORRECT
arke 16% vs mkt 23%2026-06-13
Will Bosnia and Herzegovina win on 2026-06-12?✓ CORRECT
arke 23% vs mkt 20%2026-06-12
Will Switzerland win on 2026-06-13?✗ INCORRECT
arke 79% vs mkt 81%2026-06-12
Will United States win on 2026-06-12?✓ CORRECT
arke 51% vs mkt 50%2026-06-12
Will South Africa win on 2026-06-11?✓ CORRECT
arke 6% vs mkt 11%2026-06-11
Will Canada win on 2026-06-12?✗ INCORRECT
arke 59% vs mkt 53%2026-06-11
Trump announces US x Iran ceasefire over by June 12?✓ CORRECT
arke 8% vs mkt 6%2026-06-11
Will Mexico win on 2026-06-11?✓ CORRECT
arke 70% vs mkt 70%2026-06-10
US x Iran permanent peace deal by June 15, 2026?✗ INCORRECT
arke 4% vs mkt 5%2026-06-10
Will Korea Republic win on 2026-06-11?✗ INCORRECT
arke 41% vs mkt 36%2026-06-10
Israel closes its airspace by June 8?✓ CORRECT
arke 23% vs mkt 33%2026-06-08
Israel closes its airspace by June 15?✓ CORRECT
arke 23% vs mkt 18%2026-06-08
Will Roberto Sánchez Palomino win the 2026 Peruvian presidential election?✓ CORRECT
arke 37% vs mkt 31%2026-06-07
Will Wales win on 2026-06-06?✓ CORRECT
arke 28% vs mkt 36%2026-06-06
Will the price of Bitcoin be above $62,000 on June 6?✓ CORRECT
arke 15% vs mkt 9%2026-06-06
Will Flavio Cobolli win the 2026 Men's French Open?✓ CORRECT
arke 45% vs mkt 22%2026-06-06
Will Alexander Zverev win the 2026 Men's French Open?✓ CORRECT
arke 70% vs mkt 76%2026-06-05
Will Keiko Fujimori win the 2026 Peruvian presidential election?✗ INCORRECT
arke 45% vs mkt 64%2026-06-05
Will Roberto Sánchez Palomino win the 2026 Peruvian presidential election?✓ CORRECT
arke 26% vs mkt 31%2026-06-05
US x Iran permanent peace deal by June 15, 2026?✗ INCORRECT
arke 8% vs mkt 15%2026-06-04
Will the price of Bitcoin be above $62,000 on June 4?✓ CORRECT
arke 95% vs mkt 75%2026-06-04
Israel announces Lebanon ceasefire extension by June 7?✓ CORRECT
arke 66% vs mkt 56%2026-06-04
Will Oh Se-hoon win the 2026 Seoul Mayoral Election✗ INCORRECT
arke 10% vs mkt 9%2026-06-03
Will the price of Bitcoin be above $68,000 on June 3?✓ CORRECT
arke 23% vs mkt 14%2026-06-03
Bitcoin Up or Down on June 3?✓ CORRECT
arke 48% vs mkt 30%2026-06-03
Will the price of Bitcoin be above $66,000 on June 3?✓ CORRECT
arke 66% vs mkt 72%2026-06-02
Will Croatia win on 2026-06-02?✓ CORRECT
arke 10% vs mkt 28%2026-06-02
Will the price of Bitcoin be above $68,000 on June 2?✗ INCORRECT
arke 81% vs mkt 94%2026-06-02
Will Spencer Pratt win the 2026 Los Angeles mayoral election?✓ CORRECT
arke 13% vs mkt 22%2026-06-01
US x Iran permanent peace deal by June 7, 2026?✓ CORRECT
arke 16% vs mkt 11%2026-05-31
US x Iran permanent peace deal by June 30, 2026?✗ INCORRECT
arke 23% vs mkt 33%2026-05-30
Will Paris Saint-Germain FC win on 2026-05-30?✓ CORRECT
arke 38% vs mkt 40%2026-05-30
Will Donald Trump announce that the United States blockade of the Strait of Horm✓ CORRECT
arke 37% vs mkt 26%2026-05-29
US x Iran permanent peace deal by May 31, 2026?✓ CORRECT
arke 8% vs mkt 13%2026-05-29
Will Paris Saint-Germain FC win on 2026-05-30?✓ CORRECT
arke 30% vs mkt 42%2026-05-27
US announces new Iran agreement/ceasefire extension by May 27?✓ CORRECT
arke 10% vs mkt 9%2026-05-27
Will WTI Crude Oil (WTI) hit (HIGH) $110 in May?✓ CORRECT
arke 20% vs mkt 5%2026-05-26
Will Wolfsburg win on 2026-05-25?✓ CORRECT
arke 6% vs mkt 10%2026-05-25
US x Iran permanent peace deal by June 7, 2026?✓ CORRECT
arke 37% vs mkt 44%2026-05-25
Will the Iran ceasefire continue through May 25?✗ INCORRECT
arke 95% vs mkt 95%2026-05-25
Israel x Hezbollah permanent peace deal by May 31, 2026?✓ CORRECT
arke 1% vs mkt 5%2026-05-24
Will Donald Trump announce that the United States blockade of the Strait of Horm✓ CORRECT
arke 23% vs mkt 32%2026-05-24
Will Juventus FC win on 2026-05-24?✗ INCORRECT
arke 78% vs mkt 66%2026-05-24
Will West Ham United FC win on 2026-05-24?✗ INCORRECT
arke 32% vs mkt 59%2026-05-24
US-Iran nuclear deal by May 31?✓ CORRECT
arke 14% vs mkt 28%2026-05-24
Iran agrees to surrender enriched uranium stockpile by May 31, 2026?✓ CORRECT
arke 4% vs mkt 15%2026-05-24
// open predictions — awaiting resolution