Event risk before this expiration:Jobs report Fri, Aug 7 · CPI release Wed, Aug 12 — 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 — 86 — is the max pain price.
Open interest by strike · Fri, Aug 14
■ calls (up)■ puts (down)KO open contracts per strike for Fri, Aug 14.
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, Aug 14
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Aug 14
— call IV— put IVATM ≈ 21.2% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Aug 14
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, Aug 14
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.95
-0.01
81
0.0239
0.02
-0.01
-0.05
0.93
-0.02
82
0.0327
0.02
-0.02
-0.07
0.90
-0.02
83
0.0455
0.03
-0.02
-0.10
0.85
-0.03
84
0.0623
0.04
-0.03
-0.15
0.78
-0.04
85
0.0811
0.05
-0.04
-0.22
0.69
-0.04
86
0.0975
0.06
-0.05
-0.31
0.59
-0.05
87
0.1079
0.07
-0.05
-0.42
0.48
-0.05
88
0.1100
0.07
-0.05
-0.53
0.37
-0.05
89
0.1037
0.07
-0.05
-0.64
0.28
-0.04
90
0.0911
0.06
-0.05
-0.73
0.20
-0.04
91
0.0752
0.05
-0.04
-0.81
0.14
-0.03
92
0.0590
0.04
-0.03
-0.87
0.10
-0.02
93
0.0446
0.03
-0.03
-0.92
0.07
-0.02
94
0.0333
0.02
-0.02
-0.95
0.05
-0.01
95
0.0249
0.02
-0.01
-0.97
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 strikes around the money — all 34 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.