ASPN
Aspen Aerogels, Inc.
stockNYSE
At CloseNov 6, 2026 3:59:59 PM EST
4.91USD-4.845%(-0.25)1,854,937
Pre-marketNov 6, 2026 9:28:30 AM EST
5.18USD+0.388%(+0.02)
As of 2026-11-09 03:08:24 AM EST, there were 6,300,000 shares available with a fee of 0.26%.
ASPN Borrow Fee (CTB) · Changes
| Updated1 | Fee2 % | Available | Rebate3 % |
|---|---|---|---|
| 2026-11-07 11:32:54 PM EST | 0.26 | 6,300,000 | 3.62 |
| 2026-11-06 08:56:21 PM EST | 0.26 | 6,200,000 | 3.62 |
| 2026-11-06 01:37:01 PM EST | 0.26 | 6,300,000 | 3.62 |
| 2026-11-06 12:34:27 PM EST | 0.28 | 6,300,000 | 3.60 |
| 2026-11-06 11:31:50 AM EST | 0.40 | 6,300,000 | 3.48 |
| 2026-11-06 09:26:10 AM EST | 0.41 | 6,300,000 | 3.47 |
| 2026-11-06 08:54:37 AM EST | 0.32 | 6,300,000 | 3.56 |
| 2026-11-06 08:07:35 AM EST | 0.32 | 6,200,000 | 3.56 |
| 2026-11-06 07:35:54 AM EST | 0.32 | 1,500,000 | 3.56 |
| 2026-11-06 07:20:02 AM EST | 0.32 | 1,100,000 | 3.56 |
| 2026-11-06 05:29:33 AM EST | 0.32 | 6,000,000 | 3.56 |
| 2026-11-06 03:24:15 AM EST | 0.32 | 6,100,000 | 3.56 |
| 2026-11-05 01:22:20 PM EST | 0.32 | 6,000,000 | 3.56 |
| 2026-11-05 11:32:22 AM EST | 0.30 | 6,000,000 | 3.58 |
| 2026-11-05 09:26:48 AM EST | 0.31 | 6,000,000 | 3.57 |
1 Data from Interactive Brokers. IBKR publishes an updated file every 15 minutes. If there’s no update, there aren’t any shares available.
2 A stock loan fee (a.k.a. borrow fee, borrow rate, or cost to borrow) is a fee charged by a brokerage firm to a client for borrowing shares.
3 A stock loan rebate is a cash payment granted by a brokerage to a customer who lends stock as cash collateral to short sellers. A positive rebate means the lender pays the interest to the broker-dealer; a negative rebate means the security is hard-to-borrow and the broker-dealer pays the interest to the lender.
ASPN Borrow Fee (CTB)
ASPN Borrow Fee (CTB) · Data
| Updated1 | Fee2 % | Available | Rebate3 % |
|---|
1 Data from Interactive Brokers. IBKR publishes an updated file every 15 minutes. If there’s no update, there aren’t any shares available.
2 A stock loan fee (a.k.a. borrow fee, borrow rate, or cost to borrow) is a fee charged by a brokerage firm to a client for borrowing shares.
3 A stock loan rebate is a cash payment granted by a brokerage to a customer who lends stock as cash collateral to short sellers. A positive rebate means the lender pays the interest to the broker-dealer; a negative rebate means the security is hard-to-borrow and the broker-dealer pays the interest to the lender.