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 — 270 — is the max pain price.
Open interest by strike · Fri, Aug 14
■ calls (up)■ puts (down)MCD 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 ≈ 24.8% · 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
0.94
-0.07
257.5
0.0106
0.05
-0.07
-0.06
0.91
-0.10
260
0.0146
0.07
-0.10
-0.09
0.87
-0.13
262.5
0.0194
0.09
-0.13
-0.13
0.82
-0.16
265
0.0246
0.12
-0.16
-0.19
0.75
-0.19
267.5
0.0299
0.14
-0.19
-0.25
0.67
-0.22
270
0.0343
0.16
-0.22
-0.34
0.58
-0.23
272.5
0.0371
0.17
-0.24
-0.43
0.48
-0.24
275
0.0377
0.17
-0.24
-0.52
0.39
-0.23
277.5
0.0362
0.17
-0.23
-0.61
0.31
-0.21
280
0.0328
0.15
-0.21
-0.70
0.24
-0.19
282.5
0.0284
0.13
-0.19
-0.77
0.18
-0.16
285
0.0236
0.11
-0.16
-0.83
0.13
-0.13
287.5
0.0190
0.09
-0.13
-0.88
0.10
-0.10
290
0.0149
0.07
-0.11
-0.92
0.07
-0.08
292.5
0.0114
0.06
-0.09
-0.95
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 strikes around the money — all 44 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.