when did polygon initial coin offering

The closing price for Coinbase Global (COIN) yesterday was $308.38. It was up 1.6% for the day (up 4.4% from previous close).

DATE OPEN HIGH LOW CLOSE VOLUME
June 20 2025 20:00
$308.38
$308.38
$308.38
$308.38
June 20 2025 19:30
$304.63
$308.75
$302.70
$308.53
3,010,229
June 20 2025 18:30
$305.05
$305.61
$302.60
$304.58
1,486,505
June 20 2025 17:30
$303.76
$305.72
$300.80
$305.05
1,768,142
June 20 2025 16:30
$305.84
$310.58
$302.58
$304.20
3,593,627
June 20 2025 15:30
$305.00
$310.75
$304.44
$305.70
4,022,349
June 20 2025 14:30
$304.01
$306.12
$298.88
$305.38
3,536,136
June 20 2025 13:30
$303.38
$310.58
$298.10
$304.31
11,938,682
Daily pricing data for Coinbase Global dates back to 4/7/2021, and may be incomplete.