Sunday, October 18
SPY options
SPY$763.25delayed
Put-heavy / hedgedATM IV· 1d
11.2%
Exp. move ±1σ
±$4.48
Max pain
$773
P/C ratio (OI)· whole chain
2.17
Skew
Downside (puts bid)
Dealer GEX· negative · volatile
−$1.45B
32 expiries · 12630 contracts
Smile / skew· Oct 19 '26free CBOE chain · delayed ~15m
Chain · Oct 19 '26Calls / Puts
| OI | Vol | IV | Δ | Bid | Ask | Strike | Bid | Ask | Δ | IV | Vol | OI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 243 | 264 | 16% | 0.86 | 12.63 | 12.74 | $751 | 0.79 | 0.80 | -0.14 | 16% | 13617 | 915 |
| 179 | 211 | 15% | 0.85 | 11.70 | 11.81 | $752 | 0.87 | 0.88 | -0.16 | 16% | 14237 | 1460 |
| 146 | 218 | 15% | 0.83 | 10.80 | 10.90 | $753 | 0.96 | 0.97 | -0.17 | 15% | 11248 | 850 |
| 161 | 551 | 15% | 0.81 | 9.91 | 10.00 | $754 | 1.06 | 1.07 | -0.19 | 15% | 15494 | 3009 |
| 77 | 798 | 14% | 0.79 | 9.03 | 9.11 | $755 | 1.18 | 1.19 | -0.21 | 14% | 33798 | 2127 |
| 259 | 353 | 14% | 0.77 | 8.18 | 8.25 | $756 | 1.32 | 1.33 | -0.24 | 14% | 16609 | 996 |
| 123 | 498 | 13% | 0.74 | 7.35 | 7.41 | $757 | 1.48 | 1.49 | -0.26 | 14% | 27977 | 4208 |
| 99 | 1200 | 13% | 0.71 | 6.52 | 6.59 | $758 | 1.67 | 1.68 | -0.29 | 13% | 15544 | 1064 |
| 108 | 2110 | 13% | 0.67 | 5.74 | 5.81 | $759 | 1.88 | 1.90 | -0.33 | 13% | 22500 | 1385 |
| 203 | 6149 | 12% | 0.64 | 5.00 | 5.05 | $760 | 2.14 | 2.15 | -0.37 | 12% | 57981 | 3241 |
| 223 | 7499 | 12% | 0.59 | 4.29 | 4.34 | $761 | 2.43 | 2.45 | -0.41 | 12% | 41991 | 2114 |
| 276 | 21439 | 12% | 0.55 | 3.65 | 3.67 | $762 | 2.77 | 2.79 | -0.46 | 12% | 62374 | 3910 |
| 199 | 39814 | 11% | 0.50 | 3.05 | 3.07 | $763 | 3.16 | 3.20 | -0.51 | 11% | 46730 | 2299 |
| 681 | 48754 | 11% | 0.45 | 2.50 | 2.52 | $764 | 3.62 | 3.66 | -0.56 | 11% | 36088 | 1632 |
| 1632 | 48674 | 11% | 0.39 | 2.02 | 2.04 | $765 | 4.13 | 4.17 | -0.62 | 11% | 48547 | 3580 |
| 720 | 31591 | 10% | 0.34 | 1.60 | 1.62 | $766 | 4.68 | 4.75 | -0.67 | 10% | 42851 | 2488 |
| 1257 | 42301 | 10% | 0.29 | 1.24 | 1.26 | $767 | 5.16 | 5.62 | -0.72 | 10% | 49003 | 10163 |
| 832 | 48403 | 10% | 0.24 | 0.94 | 0.96 | $768 | 6.02 | 6.09 | -0.77 | 10% | 29794 | 2110 |
| 1195 | 32477 | 10% | 0.19 | 0.70 | 0.71 | $769 | 6.78 | 6.85 | -0.82 | 9% | 26708 | 2457 |
| 1935 | 84303 | 10% | 0.15 | 0.51 | 0.52 | $770 | 7.58 | 7.66 | -0.86 | 9% | 39291 | 6509 |
| 1683 | 60240 | 10% | 0.12 | 0.36 | 0.37 | $771 | 8.30 | 8.76 | -0.89 | 9% | 29565 | 1694 |
| 1676 | 66209 | 9% | 0.09 | 0.25 | 0.26 | $772 | 9.09 | 9.64 | -0.92 | 8% | 30219 | 2482 |
| 1928 | 47302 | 9% | 0.06 | 0.17 | 0.18 | $773 | 9.40 | 10.59 | -0.94 | — | 11295 | 4444 |
| 2615 | 44336 | 9% | 0.05 | 0.11 | 0.12 | $774 | 11.06 | 11.69 | -0.96 | 10% | 6668 | 4013 |
| 4230 | 39893 | 9% | 0.03 | 0.08 | 0.09 | $775 | 11.64 | 12.90 | -0.97 | 8% | 2616 | 2118 |
Shaded row is nearest spot.
Strategy builderOct 19 '26 · 1d
Your view
Risk appetite
Bull put spread (credit) · safetyestimates · market-implied (lognormal)
Value nowsolid = expiry
P&L distribution at expiry
Probability of profit88%
Expected value+$42.04
Chance of losing12%
Max loss−$417.50
Capital at risk$417.50
Net credit$82.50
Breakeven cushion0.7% from spot
Net Δ
14
Γ
-1.5
Θ / day
$10.84
Vega
−$6.01
Build your own
Start from a strategy
Add legs from the Oct 19 '26 chain to sketch any position and see its payoff + safety.