Quantum Si Incorporated (QSI)

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Quantum Si Incorporated Stock (QSI) Option Chain

For the October 17, 2025 expiration date, the QSI stock option chain has a total of 3,024 contracts, with 1,982 call options and 1,042 put options. This indicates a leaning towards calls, suggesting bullish sentiment.

Other Key Expiration Dates:

January 16, 2026 : 4,542 contracts.
January 15, 2027 : 1,300 contracts.

Quantum Si Incorporated (QSI) Most Active Options & Calendar

QSI Call Options Expiring October 17, 2025

Strike	Price	Change	% Change	Volume
2.00	0.05	-0.01	-16.67%	1,344
1.50	0.20	-0.09	-31.03%	573
2.50	0.05	0.00	-	61
0.50	1.20	-0.05	-4.00%	2
1.00	0.80	0.11	+15.94%	2
5.00	0.03	0.00	-	-
7.50	0.10	0.00	-	-

QSI Put Options Expiring October 17, 2025

Strike	Price	Change	% Change	Volume
1.50	0.05	-0.01	-16.67%	1,031
2.00	0.39	0.06	+18.18%	11
0.50	0.00	0.00	-	-
1.00	0.02	0.00	-	-
2.50	1.45	0.00	-	-
5.00	3.53	0.00	-	-
7.50	6.03	0.00	-	-

Quantum Si Incorporated Stock (QSI) Option Chain Analysis

Put Volume Total	1,042
Call Volume Total	1,982
Put/Call Ratio (PCR)	0.53

Put Strike With Highest Volume	$1.50
Call Strike With Highest Volume	$2.00

PODD

$314.52

1.83%

STE

$235.83

1.50%

DXCM

$65.12

4.35%

PHG

$27.33

2.50%

GEHC

$71.01

4.32%

$73.94

1.66%