IBB
iShares Biotechnology ETF
stockNASDAQETF
Market OpenOct 5, 2026 12:43:40 PM EDT
206.58USD+0.628%(+1.29)569,723
206.63Bid206.71Ask0.08SpreadPre-marketOct 5, 2026 8:39:30 AM EDT
205.99USD+0.341%(+0.70)
Interactive Brokers
As of 2026-10-05 12:32:34 PM EDT, there were 45,000 shares available with a fee of 1.37%.
IBB Borrow Fee (CTB) · Changes
| Updated1 | Fee2 % | Available | Rebate3 % |
|---|---|---|---|
| 2026-10-05 12:32:34 PM EDT | 1.37 | 45,000 | 2.51 |
| 2026-10-05 11:45:33 AM EDT | 1.29 | 45,000 | 2.59 |
| 2026-10-05 11:29:53 AM EDT | 1.29 | 20,000 | 2.59 |
| 2026-10-05 09:24:40 AM EDT | 1.28 | 20,000 | 2.60 |
| 2026-10-05 08:06:20 AM EDT | 1.81 | 20,000 | 2.07 |
| 2026-10-05 07:34:57 AM EDT | 1.81 | 25,000 | 2.07 |
| 2026-10-02 03:27:00 PM EDT | 1.81 | 100,000 | 2.07 |
| 2026-10-02 02:24:21 PM EDT | 1.73 | 100,000 | 2.15 |
| 2026-10-02 01:21:44 PM EDT | 1.80 | 100,000 | 2.08 |
| 2026-10-02 12:03:28 PM EDT | 1.92 | 100,000 | 1.96 |
| 2026-10-02 11:31:39 AM EDT | 1.92 | 70,000 | 1.96 |
| 2026-10-02 10:28:57 AM EDT | 1.91 | 70,000 | 1.97 |
| 2026-10-02 09:41:15 AM EDT | 1.91 | 90,000 | 1.97 |
| 2026-10-02 09:25:30 AM EDT | 1.91 | 70,000 | 1.97 |
| 2026-10-02 07:19:19 AM EDT | 1.63 | 70,000 | 2.25 |
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.
IBB Borrow Fee (CTB)
IBB 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.