thetaOwl

CASY

Caseys General Stores, Inc.Close $855.00EOD only
Max Pain
$820.00
Next expiry Aug 21, 2026
Expected Move
±$22.25
2.6% from close
Price Gap
-35.00
Distance to max pain
IV Rank
32
Middle-high premium
P/C OI
1.04
Balanced positioning
Consensus
No reports available
Published snapshot: Aug 18, 2026 close
End-of-day snapshot

This page reflects CASY options positioning from the latest published market-close snapshot. Intraday price and contract changes are not displayed.

Published Snapshot
Aug 18, 2026 close
CASY Options Chain
Data as of market close Aug 18, 2026

Compare calls and puts side by side with OI, volume, IV, and positioning context.

Control Row
Next expiry (DTE 3)

Blank greek cells usually mean usable implied volatility was unavailable for that contract in the market-close snapshot.

Open Interest by Strike

IV Skew

Volume by Strike

Calls

StrikeLastBidAskChgVolOIIVDeltaGammaThetaVegaRho
360.00497.70492.10498.800.0026337.1%0.9990.0000-0.2450.0040.029
370.00360.800.000.000.00200.0%1.0000.0000-0.0440.0000.030
380.00351.000.000.000.00000.0%1.0000.0000-0.0450.0000.031
390.00444.00461.60468.800.0002281.3%0.9990.0000-0.1300.0020.032
400.00434.00451.40458.900.0011264.8%0.9990.0000-0.1090.0010.033
420.00255.990.000.000.00100.0%1.0000.0000-0.0490.0000.035
430.00431.90375.30384.000.00020.0%1.0000.0000-0.0510.0000.035
440.00398.00310.60319.100.00110.0%1.0000.0000-0.0520.0000.036
450.00301.160.000.000.00100.0%1.0000.0000-0.0530.0000.037
460.00291.100.000.000.00100.0%1.0000.0000-0.0540.0000.038
470.00281.410.000.000.00100.0%1.0000.0000-0.0550.0000.039
480.00324.00372.20378.900.0022237.9%0.9970.0000-0.3090.0060.039
490.00162.05186.80191.500.00110.0%1.0000.0000-0.0580.0000.040
500.00369.00352.10358.900.0016219.8%0.9970.0000-0.2880.0060.041
510.00359.00341.40348.900.0011185.0%0.9990.0000-0.1230.0020.042
520.00360.00352.50361.000.0012441.2%0.9260.0004-8.0690.1090.036
530.00350.00342.60351.000.0024428.6%0.9230.0004-8.0440.1120.037
550.00307.50302.20308.900.0028186.5%0.9960.0001-0.3180.0080.045
560.00223.00292.10298.900.00116177.4%0.9970.0001-0.2960.0080.046
570.00204.50281.50289.000.0017156.6%0.9980.0000-0.1780.0040.047
580.00291.00271.50279.000.0012150.6%0.9980.0000-0.1790.0040.048
590.00245.37261.50269.000.0025144.5%0.9980.0001-0.1810.0050.048
600.00235.42252.10259.000.00222153.3%0.9960.0001-0.3260.0100.049
610.00261.00241.80249.000.0015140.8%0.9970.0001-0.2550.0080.050
620.00239.90231.80239.000.0023134.8%0.9960.0001-0.2570.0080.051
630.00205.37221.80229.000.0025128.7%0.9960.0001-0.2570.0090.051
640.00219.13212.50219.000.0023134.3%0.9930.0002-0.4260.0160.052
650.00224.00202.10209.3010.0015126.7%0.9930.0002-0.4030.0150.053
660.00204.00192.00199.000.00127114.7%0.9950.0002-0.3100.0120.054
670.00170.83182.20189.000.00112111.8%0.9930.0002-0.3580.0150.055
680.00166.00172.10179.000.00110104.5%0.9930.0002-0.3350.0150.055
690.00185.00161.90169.000.000195.8%0.9940.0002-0.2900.0130.056
700.00162.39152.20159.000.0013894.2%0.9920.0003-0.3610.0180.057
710.00165.00142.50149.000.001291.7%0.9890.0004-0.4320.0230.058
720.00152.00131.10138.500.00164117.0%0.9530.0011-1.5600.0760.056
730.00150.72121.60129.100.001270.9%0.9940.0003-0.2470.0140.060
740.00128.90112.50119.1032.9013374.9%0.9850.0007-0.4550.0300.060
750.0086.00102.00109.100.001164.7%0.9880.0006-0.3420.0240.061
760.00101.4892.5099.100.0062663.2%0.9820.0009-0.4530.0350.061
770.0091.5881.9089.200.006653.6%0.9860.0009-0.3430.0280.062
780.0094.0072.1079.60-0.4017752.1%0.9760.0014-0.4720.0440.062
790.0084.0062.7069.7031.7824572.0%0.8940.0033-1.7840.1420.057
800.0074.0051.7059.1020.2039261.2%0.8910.0039-1.5570.1450.058
810.0040.0043.3050.600.0011959.8%0.8490.0051-1.8940.1820.056
820.0037.5033.6041.200.00115753.5%0.8140.0065-1.9300.2080.054
830.0032.1024.4030.700.0010012842.6%0.7870.0088-1.6770.2250.053
840.0036.7017.7023.800.2018442.8%0.6860.0107-2.0250.2750.046
850.0020.0512.0017.100.00164840.6%0.5740.0124-2.1130.3040.039
860.008.676.0013.00-12.921112442.9%0.4520.0119-2.2400.3070.031
870.004.902.0010.00-10.69155645.6%0.3480.0105-2.2110.2860.024
880.003.000.058.50-6.15816750.7%0.2750.0085-2.2130.2590.019
890.008.930.0010.003.8375364.4%0.2570.0065-2.7090.2500.017
900.001.500.551.70-2.003227438.5%0.0740.0047-0.7070.1090.005
910.001.280.002.95-0.60231751.7%0.0970.0043-1.1550.1330.007
920.002.200.002.000.00216052.1%0.0640.0031-0.8500.0970.004
930.001.000.009.300.0013072.9%0.1090.0033-1.7650.1440.007
940.000.680.001.700.386512452.5%0.0250.0014-0.3990.0450.002
950.000.850.008.800.00514883.7%0.0890.0025-1.7510.1250.006
960.000.500.001.850.0044162.7%0.0230.0011-0.4360.0420.002
970.000.400.008.600.00301394.4%0.0770.0020-1.7640.1120.005
980.001.900.001.200.0072266.5%0.0130.0006-0.2870.0260.001
990.005.110.008.600.00122105.1%0.0690.0016-1.8010.1020.005
1000.000.200.003.000.0055887.4%0.0270.0009-0.6980.0480.002
1020.000.600.008.600.00170120.3%0.0590.0013-1.8440.0920.004
1040.000.940.008.600.00210130.0%0.0550.0011-1.8660.0860.004
1060.000.600.000.400.00204384.1%0.0030.0001-0.0920.0070.000
1080.001.200.008.600.00911148.2%0.0480.0009-1.9010.0770.003
1100.000.870.004.800.00147139.2%0.0270.0006-1.1150.0480.002
1120.000.650.008.600.0012165.2%0.0420.0007-1.9270.0700.003
1160.000.350.004.800.0001161.9%0.0230.0004-1.1240.0420.002

Puts

StrikeLastBidAskChgVolOIIVDeltaGammaThetaVegaRho
360.000.170.000.400.00423308.2%-0.0010.0000-0.0840.002-0.000
370.000.140.000.150.0011271.9%-0.0000.0000-0.0280.001-0.000
400.001.780.000.000.0018050.0%0.0000.00000.0000.0000.000
410.002.200.000.000.002050.0%0.0000.00000.0000.0000.000
420.002.260.000.000.008050.0%0.0000.00000.0000.0000.000
430.000.350.000.000.003050.0%0.0000.00000.0000.0000.000
440.000.540.000.000.000050.0%0.0000.00000.0000.0000.000
450.000.500.004.800.0010325.2%-0.0100.0001-1.1210.021-0.001
460.000.600.000.000.0013050.0%0.0000.00000.0000.0000.000
470.001.200.004.800.0011305.7%-0.0110.0001-1.1200.022-0.001
480.000.100.008.600.0036330.1%-0.0190.0002-1.9550.036-0.001
490.0015.405.307.800.0066349.8%-0.0280.0002-2.8770.049-0.002
500.001.090.001.500.00119231.9%-0.0040.0001-0.3490.009-0.000
510.000.300.008.600.00213300.1%-0.0210.0002-1.9440.039-0.002
520.001.000.004.800.0016260.0%-0.0130.0002-1.1150.026-0.001
530.000.840.008.600.00342218281.1%-0.0220.0002-1.9360.041-0.002
540.000.870.008.600.00342211271.8%-0.0230.0003-1.9320.043-0.002
550.000.050.001.000.00114184.2%-0.0030.0001-0.2300.007-0.000
560.001.650.004.800.00115226.1%-0.0150.0002-1.1090.029-0.001
570.0014.471.005.100.0029228.1%-0.0190.0003-1.3910.037-0.001
580.002.731.457.900.0038240.2%-0.0290.0004-2.0630.052-0.002
590.0020.702.606.800.0066231.8%-0.0310.0004-2.0670.054-0.002
600.000.150.008.600.00125218.8%-0.0300.0004-1.8990.052-0.002
610.000.100.008.600.0019210.4%-0.0310.0004-1.8920.054-0.002
620.000.300.008.600.0025202.1%-0.0320.0005-1.8850.056-0.002
630.0021.900.000.000.001050.0%0.0000.00000.0000.0000.000
640.002.250.008.600.00312185.7%-0.0350.0005-1.8680.060-0.003
650.001.000.008.600.00538177.7%-0.0370.0006-1.8600.063-0.003
660.003.250.004.600.00125148.3%-0.0230.0005-1.0410.042-0.002
670.004.950.003.900.0013136.6%-0.0210.0005-0.8870.039-0.002
680.006.300.008.600.00131154.0%-0.0430.0008-1.8280.071-0.003
690.002.200.002.000.00812108.6%-0.0130.0004-0.4640.026-0.001
700.000.310.008.600.00297138.6%-0.0490.0009-1.8010.078-0.004
710.0014.700.008.600.001918130.9%-0.0520.0010-1.7860.082-0.004
720.000.300.008.600.00145123.3%-0.0550.0012-1.7700.086-0.004
730.000.050.008.600.00135115.7%-0.0590.0013-1.7510.091-0.004
740.000.150.001.500.0059074.1%-0.0140.0006-0.3460.028-0.001
750.000.200.008.700.0011103100.8%-0.0690.0017-1.7230.103-0.005
760.004.360.008.704.31113893.2%-0.0750.0020-1.6960.110-0.005
770.004.870.008.804.3456585.9%-0.0830.0023-1.6820.118-0.006
780.000.930.008.900.05215378.5%-0.0920.0027-1.6610.128-0.007
790.000.150.007.10-0.5813065.9%-0.0870.0031-1.3400.123-0.006
800.000.230.007.200.0026158.6%-0.1000.0038-1.3150.136-0.007
810.000.790.053.60-1.59106550.9%-0.1150.0049-1.2640.150-0.008
820.001.200.501.850.16137434.5%-0.0860.0059-0.6930.122-0.006
830.001.300.307.80-0.451310849.9%-0.2460.0082-2.0040.244-0.018
840.002.551.858.200.00178740.9%-0.3070.0111-1.8250.272-0.022
850.008.074.0011.403.46357438.6%-0.4230.0131-1.9100.303-0.030
860.0010.939.0015.903.0784637.0%-0.5580.0138-1.8290.306-0.040
870.009.8915.0022.60-1.5124338.4%-0.6820.0120-1.6990.277-0.050
880.0018.5323.4030.40-14.2237040.4%-0.7760.0096-1.4780.232-0.057
890.0042.4932.7040.100.0051047.3%-0.8170.0072-1.5310.205-0.061
900.0034.4741.9049.300.002210851.4%-0.8580.0056-1.4050.175-0.064
910.0049.2552.8058.300.003953.5%-0.8950.0044-1.1590.141-0.068
920.0057.8561.3068.800.002762.4%-0.8960.0037-1.3530.140-0.069
940.0076.0081.1087.80-15.402068.6%-0.9320.0025-1.0640.102-0.073
950.0086.0091.3097.70-2.001073.4%-0.9390.0021-1.0410.094-0.074
960.0097.00101.30108.800.001085.9%-0.9260.0021-1.4550.109-0.074
970.0098.92110.40119.600.000096.2%-0.9190.0020-1.7550.116-0.074
980.00130.00120.30129.500.0010101.1%-0.9250.0018-1.7400.110-0.075
990.00140.00131.30138.800.001051.8%-0.9990.00010.0940.003-0.081
1000.00136.00141.10147.90-14.0010100.3%-0.9530.0013-1.1640.076-0.079
1020.00164.50161.30168.800.007060.9%-0.9990.00010.0990.002-0.084
1040.00186.00180.40189.400.0020130.7%-0.9440.0011-1.7820.087-0.082
1060.00206.00200.30209.500.0010140.7%-0.9470.0010-1.8390.084-0.084
1080.00226.00220.10229.400.0030149.0%-0.9520.0009-1.8140.078-0.086
1100.00246.00240.10249.400.0040157.6%-0.9540.0008-1.8260.074-0.087
1120.00266.00260.10269.400.0000166.1%-0.9570.0007-1.8370.071-0.089
1140.00373.000.000.000.00000.0%-1.0000.00000.1340.000-0.094
1160.00294.60300.10309.400.0010182.2%-0.9610.0006-1.8530.065-0.093
1180.00350.000.000.000.00200.0%-1.0000.00000.1390.000-0.097
1200.00356.000.000.000.00000.0%-1.0000.00000.1410.000-0.099
How to Read the Chain
Use this market-close chain snapshot to compare liquidity, pricing, IV, and per-contract greeks across the active expiration.
How to scan it

Start with strike, bid/ask spread, open interest, and volume. Then use IV and greeks to decide whether a contract fits your directional, income, or volatility idea.

What matters first

Clean fills matter before a contract looks mathematically attractive. A thin market can erase the edge you think you found.

What can mislead you

Low premium, high IV, or one convenient delta do not make a trade by themselves. Check how far the strike sits from spot, expected move, and the event calendar.

Greeks are close-of-day estimates, and blank greek cells usually mean usable implied volatility was unavailable for that contract.