Event risk before this expiration:FOMC decision Wed, Oct 28 — macro releases historically overwhelm pinning effects; max pain reads weakest in event weeks.
■ put-side pain■ call-side painTotal payout option writers would owe at each settle price (both sides, all open interest, ×100 shares) — low settles hurt put writers, high settles hurt call writers. The minimum — 235 — is the max pain price.
Open interest by strike · Fri, Oct 30
■ calls (up)■ puts (down)MRVL open contracts per strike for Fri, Oct 30.
Open-interest change: building vs unwinding
Needs two observed snapshot days for this expiration; the comparison appears automatically once the next weekday snapshot lands. We diff real observations only; nothing is estimated.
Volume by strike · Fri, Oct 30
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Oct 30
— call IV— put IVATM ≈ 81.1% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Oct 30
Net dealer gamma per strike, in dollars per 1% move, assuming the standard convention (dealers long calls, short puts) — an assumption, not an observation. Above the amber flip level hedging tends to dampen moves; below it, to amplify them.
Greeks by strike · Fri, Oct 30
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.80
-0.76
217.5
0.0131
0.07
-0.76
-0.20
0.76
-0.83
220
0.0145
0.08
-0.83
-0.24
0.73
-0.90
222.5
0.0159
0.08
-0.91
-0.27
0.68
-0.96
225
0.0171
0.09
-0.97
-0.32
0.64
-1.01
227.5
0.0182
0.09
-1.01
-0.36
0.59
-1.04
230
0.0191
0.10
-1.05
-0.41
0.55
-1.06
232.5
0.0197
0.10
-1.06
-0.46
0.49
-1.05
235
0.0200
0.10
-1.06
-0.51
0.45
-1.03
237.5
0.0200
0.10
-1.04
-0.56
0.40
-1.00
240
0.0196
0.10
-1.00
-0.61
0.35
-0.94
242.5
0.0189
0.09
-0.95
-0.65
0.30
-0.88
245
0.0180
0.09
-0.88
-0.70
0.26
-0.80
247.5
0.0168
0.08
-0.80
-0.74
0.22
-0.72
250
0.0154
0.07
-0.72
-0.78
0.19
-0.64
252.5
0.0140
0.07
-0.64
-0.82
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 strikes around the money — all 60 are in the CSV. Δ per $1 of underlying · Θ per day · vega per IV point.
Stacked — layer the expirations
Call open interest per strike, stacked across the checked expirations — each color is one expiry. Strikes are pruned to the liquid center of each chain.
Max pain is arithmetic, not prophecy: the settle price that would minimize what option writers pay out at expiration, computed from open interest alone. Prices sometimes gravitate toward heavy strikes into expiry — dealer hedging is a real flow — but the evidence that max pain predicts settlement better than chance is mixed, and we are not going to pretend otherwise. Use it as a map of where positioning is stacked, next to the fundamentals and the earnings calendar, not as a target.
Data: Cboe delayed public feed (~15 minutes), refreshed here about every 15 minutes. Open interest itself updates once daily, before the open. Educational information, not investment advice.