ARKE/oracle verification
// immutable prediction ledger

PredictionMarketOracle.sol

120
PREDICTIONS
114
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 120

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 — 114 of 120
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
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 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
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
US x Iran permanent peace deal by June 30, 2026?✗ INCORRECT
arke 30% vs mkt 48%2026-05-24
US x Iran permanent peace deal by May 31, 2026?✓ CORRECT
arke 22% vs mkt 36%2026-05-24
Will Getafe CF win on 2026-05-23?✗ INCORRECT
arke 34% vs mkt 77%2026-05-23
US x Iran permanent peace deal by May 26, 2026?✓ CORRECT
arke 12% vs mkt 19%2026-05-23
Iran closes its airspace by May 27?✗ INCORRECT
arke 55% vs mkt 81%2026-05-23
Will Arsenal win the 2025–26 Champions League?✓ CORRECT
arke 30% vs mkt 42%2026-05-23
Iran closes its airspace by May 31?✓ CORRECT
arke 45% vs mkt 32%2026-05-22
US x Iran permanent peace deal by June 15, 2026?✗ INCORRECT
arke 36% vs mkt 31%2026-05-22
US x Iran permanent peace deal by June 30, 2026?✗ INCORRECT
arke 38% vs mkt 41%2026-05-22
Iran closes its airspace by May 24?✓ CORRECT
arke 15% vs mkt 15%2026-05-22
US x Iran permanent peace deal by May 31, 2026?✓ CORRECT
arke 19% vs mkt 19%2026-05-22
US x Iran permanent peace deal by June 30, 2026?✗ INCORRECT
arke 30% vs mkt 30%2026-05-18
Will the price of Bitcoin be above $76,000 on May 18?✓ CORRECT
arke 85% vs mkt 85%2026-05-18
Iran closes its airspace by May 24?✓ CORRECT
2026-05-18
// open predictions — awaiting resolution
Will Mexico win on 2026-07-05?OPEN
arke 44% vs mkt 30%2026-07-05
Will England win on 2026-07-05?OPEN
arke 43% vs mkt 40%2026-07-05
Strait of Hormuz traffic returns to normal by end of June?OPEN
arke 35% vs mkt 13%2026-06-26
Will Roberto Sánchez Palomino win the 2026 Peruvian presidential election?OPEN
arke 37% vs mkt 31%2026-06-07
Will Keiko Fujimori win the 2026 Peruvian presidential election?OPEN
arke 45% vs mkt 64%2026-06-05
Will Roberto Sánchez Palomino win the 2026 Peruvian presidential election?OPEN
arke 26% vs mkt 31%2026-06-05