■ 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, Sep 11
■ calls (up)■ puts (down)CEG open contracts per strike for Fri, Sep 11.
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, Sep 11
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Sep 11
— call IV— put IVATM ≈ 39.1% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Sep 11
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, Sep 11
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.88
-0.11
250
0.0064
0.16
-0.11
-0.12
0.84
-0.13
255
0.0078
0.19
-0.13
-0.16
0.80
-0.15
260
0.0092
0.22
-0.15
-0.20
0.75
-0.17
265
0.0105
0.25
-0.18
-0.26
0.69
-0.19
270
0.0116
0.28
-0.19
-0.31
0.63
-0.21
275
0.0124
0.30
-0.21
-0.38
0.56
-0.21
280
0.0130
0.31
-0.22
-0.44
0.50
-0.22
285
0.0131
0.31
-0.22
-0.51
0.43
-0.21
290
0.0129
0.31
-0.22
-0.57
0.37
-0.21
295
0.0124
0.30
-0.21
-0.63
0.32
-0.20
300
0.0116
0.28
-0.20
-0.69
0.27
-0.18
305
0.0106
0.26
-0.19
-0.74
0.22
-0.16
310
0.0096
0.23
-0.17
-0.79
0.18
-0.15
315
0.0085
0.21
-0.15
-0.83
0.15
-0.13
320
0.0074
0.18
-0.14
-0.86
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 strikes around the money — all 31 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.