Gold Edge
Same underlying. Two pricing channels. We surface the gap on every active Kalshi gold strike, daily.
What Is the Gold Edge Tool?
Kalshi's weekly KXGOLDW market settles on Pyth Network's XAU/USD feed every Friday at 5pm ET. GLD options on the same underlying settle through a different channel with a different mechanism but the same number. The Gold Edge tool extracts the probability the options market is implying, compares it to the Kalshi YES contract price on every active strike, and flags the gaps.
The free tier shows the headline — spot, ATM IV, hours to close, and the direction of today's top edge. The Pro grid below shows every strike with the signed edge in percentage points, the rationale, and direct trade links to Kalshi (with referral) and Robinhood (for the GLD options hedge).
How to Use It
Start with the HIGH confidence rows — those passed all four liquidity guards (edge, distance from spot, spread, volume). Cross-check the rationale for any caveat. Click through to Kalshi to verify the live book before sizing. Then optionally enter the matching GLD option on Robinhood as a directional hedge.
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The Gold Edge pipeline runs daily at 6 AM ET. Check back after the next run, or read the methodology below for how the tool works.
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Why Options and Kalshi Disagree on Gold
Gold is the deepest commodity prediction-market arbitrage candidate in the US market. Kalshi's weekly gold event settles deterministically on Pyth Network's XAU/USD price feed — there is no question what number the market lands on. GLD options on the SPDR Gold Shares ETF track the same underlying through a $65B physical-bullion vehicle. Two different markets, two different microstructures, one underlying number.
The price discovery channels are different. Kalshi's weekly gold flow is dominated by retail traders sizing in 1–10 contract clips. GLD options are priced by professional options market makers running risk-neutral hedging books with deep liquidity at every strike. When retail flow puts a Kalshi strike at 30¢ and the options book is implying 45% on the same outcome, the gross gap is 15pp. Round-trip trading cost on Kalshi (bid-ask + fees) runs about 5pp on liquid contracts, which leaves roughly +10pp of expected-value edge after slippage. That is not noise — it is two markets on the same underlying that have not agreed on the same number yet.
The Edge in pp
The Gold Edge tool reports gaps in percentage points (pp). A +20pp edge on a BUY YES means the options market is pricing the YES outcome 20 percentage points higher than the Kalshi YES contract. The Kalshi contract pays out $1 if the event happens — pricing it below the options-implied probability is a direct expected-value edge.
Confidence tiers gate the rows by liquidity, not just by edge size. A 60pp edge on a strike with zero 24h volume is not actionable. We require ≥100 contracts of recent volume, a tight bid-ask, and a strike within ±5% of spot for the HIGH tier. Outside those guards, the rationale field flags the specific reason the row dropped to MEDIUM or LOW.
The Hedge
The Robinhood link on each row goes to the GLD option position that mirrors the Kalshi contract. Entering both legs neutralizes most of the directional risk and turns the trade into a pure mispricing capture. Sizing is 2% of trading account per Kalshi leg, 5% combined across correlated strikes — the methodology block below has the exact thresholds and caveats.
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