2.08
price up icon24.55%   0.41
after-market After Hours: 2.09 0.010 +0.48%
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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 7,892 contracts, with 6,967 call options and 925 put options. This indicates a leaning towards calls, suggesting bullish sentiment.
Other Key Expiration Dates:
  • January 16, 2026 : 9,488 contracts.
  • January 15, 2027 : 2,014 contracts.

Quantum Si Incorporated (QSI) Most Active Options & Calendar

QSI Call Options Expiring October 17, 2025

Strike Price Change % Change Volume
favorite 2.00 0.21 0.16 +320.00% 4,362
favorite 5.00 0.02 0.00 - 1,260
favorite 2.50 0.10 0.05 +100.00% 743
favorite 1.50 0.60 0.40 +200.00% 556
favorite 1.00 1.07 0.27 +33.75% 39
favorite 0.50 1.60 0.40 +33.33% 7
favorite 7.50 0.10 0.00 - -

QSI Put Options Expiring October 17, 2025

Strike Price Change % Change Volume
favorite
2.00
0.14 -0.25 -64.10% 729
favorite
1.50
0.02 -0.03 -60.00% 196
favorite
0.50
0.00 0.00 - -
favorite
1.00
0.02 0.00 - -
favorite
2.50
1.45 0.00 - -
favorite
5.00
3.53 0.00 - -
favorite
7.50
6.03 0.00 - -

Quantum Si Incorporated Stock (QSI) Option Chain Analysis

Put Volume Total 925
Call Volume Total 6,967
Put/Call Ratio (PCR) 0.13
Put Strike With Highest Volume $2.00
Call Strike With Highest Volume $2.00
$314.56
price up icon 0.01%
medical_devices STE
$235.48
price down icon 0.15%
$65.20
price up icon 0.12%
medical_devices PHG
$27.50
price up icon 0.62%
$71.84
price up icon 1.17%
medical_devices EW
$72.95
price down icon 1.34%
Cap:     |  Volume (24h):