Your Best Stock

Marathon Petroleum MPC

US equityMarket cap rank #138Oil & Gas Refining & MarketingESG Investing
$399.15
+$10.77 (+2.77%)
Market open · Sep 24, 2:00 pm ET
After hours $388.99 +0.16%
Open$393.15
Prev close$388.38
Day range$387.74 – $401.09
Volume985.3K
Market cap$112.09B
P/E (TTM)13.8
Dividend yield0.98%

Average implied volatility across the listed chain right now: 52%. Implied volatility measures how big a price swing the options market is pricing in — there is no fixed “normal” level, it varies a lot by stock.

Calls

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $400.00 $37.75 $36.10/$38.40 27 427 51%
16 Oct 2026 $390.00 $47.11 $42.50/$45.70 22 367 52%
16 Oct 2026 $410.00 $31.34 $30.20/$32.30 49 853 51%
16 Oct 2026 $380.00 $54.72 $50.00/$52.90 33 400 52%
16 Oct 2026 $420.00 $26.05 $25.20/$26.00 65 468 51%
16 Oct 2026 $370.00 $60.08 $58.00/$60.50 3 447 52%
16 Oct 2026 $430.00 $20.90 $20.70/$21.30 66 290 50%
16 Oct 2026 $360.00 $70.43 $66.30/$68.90 1 656 53%
16 Oct 2026 $440.00 $17.20 $16.40/$17.80 30 834 51%
16 Oct 2026 $350.00 $77.00 $74.90/$77.80 85 271 53%
16 Oct 2026 $450.00 $13.88 $13.20/$14.40 46 470 51%
16 Oct 2026 $340.00 $87.90 $83.60/$86.70 2 173 51%
16 Oct 2026 $460.00 $12.20 $10.50/$12.70 14 83 53%
16 Oct 2026 $330.00 $95.78 $93.50/$96.20 12 420 54%
16 Oct 2026 $470.00 $9.00 $8.20/$9.20 17 88 51%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $400.00 $13.33 $12.70/$13.50 148 360 51%
16 Oct 2026 $390.00 $9.70 $9.60/$10.30 48 946 51%
16 Oct 2026 $410.00 $17.25 $16.60/$18.00 35 230 51%
16 Oct 2026 $380.00 $7.32 $6.90/$7.50 530 1,567 51%
16 Oct 2026 $420.00 $21.73 $21.50/$22.00 123 52 51%
16 Oct 2026 $370.00 $5.19 $4.80/$5.30 140 1,434 51%
16 Oct 2026 $430.00 $26.60 $26.50/$27.30 114 112 50%
16 Oct 2026 $360.00 $3.70 $3.20/$3.70 136 1,102 51%
16 Oct 2026 $440.00 $30.77 $31.90/$33.50 4 64 50%
16 Oct 2026 $350.00 $2.34 $2.10/$2.50 100 658 52%
16 Oct 2026 $450.00 $40.99 $38.50/$40.50 0 29 50%
16 Oct 2026 $340.00 $1.33 $1.30/$1.50 660 2,042 51%
16 Oct 2026 $460.00 $48.06 $45.20/$48.70 0 0 51%
16 Oct 2026 $330.00 $1.00 $0.65/$1.10 25 820 52%
16 Oct 2026 $470.00 $55.74 $53.00/$55.90 0 1 51%

Open interest = contracts currently outstanding (not yet closed out). Higher open interest generally means a strike/expiry is more actively traded and easier to get in and out of.

Scroll to Top