Become a Member
  • Track your favourite stocks
  • Create & monitor portfolios
  • Daily portfolio value
Sign Up
Quickpicks
Add shares to your
quickpicks to
display them here!

Quantum-si (QSI.US) Share Price History

Time period:
to
Date Open High Low Close Volume
15th Dec 2025 (Mon) 1.315 1.315 1.23 1.29 186,529
12th Dec 2025 (Fri) 1.41 1.42 1.29 1.29 176,209
11th Dec 2025 (Thu) 1.42 1.42 1.345 1.40 256,623
10th Dec 2025 (Wed) 1.425 1.445 1.39 1.44 165,900
9th Dec 2025 (Tue) 1.435 1.455 1.40 1.42 225,209
8th Dec 2025 (Mon) 1.48 1.535 1.415 1.45 135,585
5th Dec 2025 (Fri) 1.48 1.48 1.415 1.44 148,453
4th Dec 2025 (Thu) 1.35 1.485 1.35 1.47 255,487
3rd Dec 2025 (Wed) 1.27 1.36 1.26 1.36 256,763
2nd Dec 2025 (Tue) 1.30 1.335 1.27 1.27 118,569
1st Dec 2025 (Mon) 1.35 1.355 1.285 1.29 192,927
28th Nov 2025 (Fri) 1.375 1.43 1.375 1.41 156,890
27th Nov 2025 (Thu) 1.36 1.39 1.31 1.35 148,508
26th Nov 2025 (Wed) 1.36 1.39 1.31 1.35 222,840
25th Nov 2025 (Tue) 1.35 1.36 1.30 1.35 131,195
24th Nov 2025 (Mon) 1.27 1.35 1.265 1.35 213,155
21st Nov 2025 (Fri) 1.22 1.28 1.195 1.27 78,400
20th Nov 2025 (Thu) 1.37 1.38 1.37 1.28 23,308
19th Nov 2025 (Wed) 1.27 1.37 1.25 1.28 294,582
18th Nov 2025 (Tue) 1.295 1.345 1.24 1.27 92,862
17th Nov 2025 (Mon) 1.36 1.405 1.27 1.30 138,692
14th Nov 2025 (Fri) 1.28 1.445 1.275 1.37 400,555
13th Nov 2025 (Thu) 1.495 1.51 1.38 1.39 136,273
12th Nov 2025 (Wed) 1.58 1.61 1.52 1.52 228,622
11th Nov 2025 (Tue) 1.585 1.645 1.555 1.58 213,340
10th Nov 2025 (Mon) 1.72 1.72 1.595 1.595 337,036
7th Nov 2025 (Fri) 1.55 1.62 1.46 1.575 369,663
6th Nov 2025 (Thu) 1.77 1.77 1.59 1.65 247,553
5th Nov 2025 (Wed) 1.88 1.89 1.775 1.80 291,423
4th Nov 2025 (Tue) 2.15 2.15 2.00 2.00 0
3rd Nov 2025 (Mon) 2.15 2.18 1.95 2.00 419,462
31st Oct 2025 (Fri) 2.04 2.15 2.035 2.15 178,252
30th Oct 2025 (Thu) 2.06 2.12 2.02 2.03 204,320
29th Oct 2025 (Wed) 2.16 2.225 2.095 2.14 179,975
28th Oct 2025 (Tue) 2.30 2.31 2.15 2.18 444,972
27th Oct 2025 (Mon) 2.38 2.415 2.22 2.34 385,690
24th Oct 2025 (Fri) 2.33 2.44 2.26 2.29 562,029
23rd Oct 2025 (Thu) 2.36 2.36 2.17 2.20 552,151
22nd Oct 2025 (Wed) 2.215 2.335 2.005 2.20 491,727
21st Oct 2025 (Tue) 2.48 2.51 2.275 2.34 880,572
20th Oct 2025 (Mon) 2.42 2.73 2.395 2.585 943,927
17th Oct 2025 (Fri) 2.38 2.52 2.26 2.28 805,117
16th Oct 2025 (Thu) 2.80 3.10 2.50 2.54 1,595,828
15th Oct 2025 (Wed) 2.455 2.75 2.36 2.63 1,791,520
FTSE 100 Latest
Value9,751.31
Change102.28