Unusual Options Activity

SNDK Unusual Options Activity - Sandisk - When-Issued

Last active day: September 11, 2026
Active days (30d): 22
Biggest recent print: Put $1700.0000 · $21.4M

AI summary

On September 11, 2026, Sandisk Corporation (SNDK) experienced notable options activity with a total of 75 prints. The call premium reached approximately $92.9 million, while the put premium was significantly higher at around $143.6 million, indicating a skew towards put activity. The most substantial print was for the SNDK Call at a strike price of 1665, with a premium of $87.4 million and a volume-to-open interest (Vol/OI) ratio of 39.8, suggesting robust interest. Other significant call prints included the 1630 strike at $2.4 million (Vol/OI 29.2) and the 1685 strike at $49,570 (Vol/OI 29.5). On the put side, the 1630 strike printed $1.1 million with a Vol/OI of 19.0, while the 1695 strike recorded a premium of $7.2 million (Vol/OI 12.8). Overall, the activity reflects a strong presence of put options relative to calls, with a total of 22 active days in the last 30 days for SNDK options.

AI-generated summary

Prints on September 11, 2026

Ticker	Side	Strike	Expiry	Vol/OI	Premium	IV
SNDK	Call	$1665.0000	09/11/26 (0d)	39.8×	$87K	18%
SNDK	Call	$1630.0000	09/11/26 (0d)	29.2×	$2.4M	9%
SNDK	Call	$1685.0000	09/11/26 (0d)	29.5×	$50K	27%
SNDK	Call	$1640.0000	09/11/26 (0d)	22.6×	$938K	11%
SNDK	Put	$1630.0000	09/11/26 (0d)	19.0×	$1.1M	9%
SNDK	Put	$1635.0000	09/11/26 (0d)	16.5×	$1.4M	10%
SNDK	Call	$1650.0000	09/11/26 (0d)	16.8×	$201K	11%
SNDK	Put	$1695.0000	09/11/26 (1d)	12.8×	$7.2M	76%
SNDK	Call	$1675.0000	09/11/26 (0d)	19.3×	$25K	24%
SNDK	Put	$1640.0000	09/11/26 (0d)	12.8×	$2.8M	12%
SNDK	Call	$1630.0000	09/18/26 (6d)	9.3×	$6.6M	65%
SNDK	Put	$1795.0000	09/11/26 (1d)	9.1×	$9.0M	83%
SNDK	Put	$1720.0000	09/11/26 (1d)	8.7×	$8.0M	76%
SNDK	Put	$1615.0000	09/11/26 (0d)	13.4×	$25K	11%
SNDK	Put	$1705.0000	09/11/26 (1d)	8.7×	$5.1M	76%
SNDK	Put	$1685.0000	09/11/26 (1d)	8.9×	$2.4M	76%
SNDK	Put	$1610.0000	09/11/26 (0d)	11.4×	$33K	15%
SNDK	Put	$1645.0000	09/11/26 (0d)	8.1×	$2.1M	13%
SNDK	Call	$1660.0000	09/11/26 (0d)	10.8×	$47K	17%
SNDK	Put	$1625.0000	09/11/26 (0d)	9.7×	$138K	8%
SNDK	Call	$1680.0000	09/11/26 (0d)	10.5×	$36K	24%
SNDK	Put	$1715.0000	09/11/26 (1d)	6.5×	$5.3M	76%
SNDK	Call	$1700.0000	09/11/26 (0d)	8.4×	$141K	30%
SNDK	Call	$1835.0000	09/11/26 (1d)	8.1×	$114K	90%
SNDK	Put	$1700.0000	09/11/26 (1d)	5.3×	$21.4M	76%
SNDK	Put	$1620.0000	09/11/26 (0d)	7.7×	$47K	9%
SNDK	Call	$1640.0000	09/18/26 (6d)	5.3×	$5.6M	64%
SNDK	Put	$1660.0000	09/11/26 (0d)	5.3×	$3.7M	18%
SNDK	Put	$1635.0000	09/18/26 (6d)	4.1×	$3.1M	64%
SNDK	Call	$1650.0000	09/18/26 (6d)	3.6×	$8.3M	65%
SNDK	Call	$1725.0000	09/11/26 (0d)	5.4×	$40K	43%
SNDK	Call	$1800.0000	09/11/26 (1d)	3.7×	$3.2M	85%
SNDK	Call	$1690.0000	09/18/26 (8d)	3.6×	$3.7M	70%
SNDK	Call	$1690.0000	09/11/26 (0d)	5.3×	$30K	28%
SNDK	Call	$1600.0000	09/11/26 (0d)	3.5×	$5.2M	19%
SNDK	Put	$1670.0000	09/11/26 (0d)	3.6×	$3.3M	21%
SNDK	Put	$1640.0000	09/18/26 (6d)	3.4×	$7.7M	64%
SNDK	Put	$1665.0000	09/11/26 (0d)	3.7×	$1.7M	18%
SNDK	Call	$1670.0000	09/11/26 (0d)	4.9×	$35K	22%
SNDK	Put	$1650.0000	09/11/26 (0d)	3.1×	$7.4M	14%
SNDK	Call	$1710.0000	09/18/26 (6d)	3.3×	$2.6M	66%
SNDK	Put	$1630.0000	09/18/26 (6d)	3.1×	$3.3M	63%
SNDK	Put	$1655.0000	09/11/26 (0d)	3.2×	$1.9M	14%
SNDK	Call	$1730.0000	09/18/26 (6d)	3.3×	$1.4M	66%
SNDK	Put	$1580.0000	09/11/26 (0d)	4.5×	$25K	27%
SNDK	Call	$1750.0000	09/18/26 (6d)	3.0×	$4.8M	67%
SNDK	Call	$1875.0000	09/11/26 (1d)	4.3×	$35K	96%
SNDK	Call	$1740.0000	09/18/26 (6d)	3.2×	$1.1M	67%
SNDK	Put	$1675.0000	09/11/26 (0d)	2.9×	$3.0M	23%
SNDK	Put	$1780.0000	09/11/26 (1d)	2.5×	$11.5M	79%
SNDK	Call	$1850.0000	09/11/26 (1d)	3.1×	$373K	92%
SNDK	Call	$1800.0000	09/25/26 (13d)	2.5×	$2.6M	67%
SNDK	Put	$1650.0000	09/18/26 (6d)	2.3×	$9.4M	64%
SNDK	Call	$1700.0000	09/18/26 (6d)	2.3×	$11.2M	66%
SNDK	Call	$1830.0000	09/11/26 (1d)	3.0×	$118K	89%
SNDK	Put	$1600.0000	09/11/26 (0d)	3.0×	$108K	19%
SNDK	Call	$1750.0000	09/11/26 (0d)	3.1×	$47K	52%
SNDK	Call	$1700.0000	09/25/26 (15d)	2.1×	$5.2M	71%
SNDK	Call	$1620.0000	09/18/26 (6d)	2.2×	$3.2M	65%
SNDK	Call	$1800.0000	09/18/26 (6d)	2.1×	$4.8M	69%
SNDK	Put	$1600.0000	09/18/26 (6d)	2.0×	$11.7M	64%
SNDK	Call	$1775.0000	09/11/26 (1d)	2.3×	$475K	83%
SNDK	Call	$1780.0000	09/11/26 (1d)	2.3×	$443K	83%
SNDK	Put	$1690.0000	09/11/26 (0d)	1.7×	$4.6M	49%
SNDK	Call	$1780.0000	09/18/26 (6d)	1.9×	$785K	69%
SNDK	Put	$1680.0000	09/11/26 (0d)	1.7×	$3.0M	34%
SNDK	Call	$1600.0000	09/18/26 (6d)	1.5×	$15.4M	64%
SNDK	Put	$1590.0000	09/11/26 (0d)	2.4×	$25K	23%
SNDK	Call	$1820.0000	09/11/26 (1d)	1.9×	$143K	87%
SNDK	Put	$1580.0000	09/18/26 (6d)	1.6×	$2.0M	64%
SNDK	Call	$1790.0000	09/11/26 (1d)	1.8×	$215K	83%
SNDK	Call	$1765.0000	09/11/26 (1d)	1.8×	$326K	81%
SNDK	Call	$1770.0000	09/11/26 (1d)	1.7×	$548K	82%
SNDK	Call	$1810.0000	09/11/26 (1d)	1.8×	$137K	85%
SNDK	Call	$1950.0000	09/18/26 (6d)	1.6×	$261K	78%

History

2026-09-1175 prints$92.9M calls$143.6M puts
2026-09-1069 prints$168.1M calls$150.0M puts
2026-09-0951 prints$213.5M calls$124.0M puts
2026-09-0834 prints$126.6M calls$100.3M puts
2026-09-0482 prints$757.6M calls$32.7M puts
2026-09-0349 prints$128.8M calls$41.7M puts
2026-09-0249 prints$193.6M calls$54.0M puts
2026-09-0157 prints$252.3M calls$87.2M puts
2026-08-3138 prints$341.2M calls$41.2M puts
2026-08-2860 prints$189.3M calls$154.4M puts
2026-08-2756 prints$100.9M calls$159.8M puts
2026-08-2640 prints$122.6M calls$66.2M puts
2026-08-2550 prints$117.9M calls$161.0M puts
2026-08-2438 prints$135.6M calls$161.3M puts
2026-08-2140 prints$56.8M calls$22.8M puts
2026-08-2048 prints$182.8M calls$74.2M puts
2026-08-1962 prints$161.0M calls$237.6M puts
2026-08-1890 prints$336.8M calls$350.0M puts
2026-08-1775 prints$505.6M calls$159.1M puts
2026-08-14117 prints$789.3M calls$78.2M puts

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