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Showing 2,276–2,300 of 4,952 optionable symbols
Daily closes in USD, not live quotes. Change compares consecutive trading sessions. Each row shows its price date; missing data appears as a dash.
| Symbol ↕ | Company ↕ | Daily Close ↕ | Daily Change ↕ | | | |
|---|
| IREN | IREN Limited | $27.73Oct 19, 2026 | +2.70%+$0.73 | $27.38 — to $28.77 | Financials | Finance Services |
| IREX | Tradr 2X Long IREN Daily ETF | $5.52Oct 16, 2026 | -21.81%-$1.54 | $5.29 — to $6.46 | ETF | Exchange-Traded Fund |
| IRIX | IRIDEX Corporation | $0.89Oct 16, 2026 | +0.00%+$0.00 | $0.89 — to $0.89 | Health Care | Health Care |
| IRM | Iron Mountain Inc. | $111.51Oct 19, 2026 | -0.96%-$1.09 | $110.90 — to $113.83 | Financials | Real Estate Investment Trusts |
| IRMD | iRadimed Corporation | $87.87Oct 19, 2026 | -0.62%-$0.55 | $87.87 — to $88.35 | Health Care | Health Care |
| IRON | Disc Medicine, Inc. | $79.04Oct 19, 2026 | +38.81%+$22.10 | $70.01 — to $80.21 | Health Care | Pharmaceutical Preparations |
| IRS | IRSA Inversiones y Representaciones S.A. Global Depositary Shares | $14.02Oct 19, 2026 | -1.06%-$0.15 | $14.02 — to $14.15 | Real Estate | Real Estate |
| IRT | Independence Realty Trust Inc. | $14.50Oct 19, 2026 | -1.76%-$0.26 | $14.49 — to $14.70 | Real Estate | Real Estate |
| IRTC | iRhythm Holdings, Inc. | $109.59Oct 19, 2026 | +0.86%+$0.93 | $108.62 — to $110.66 | Health Care | Health Care |
| IRWD | Ironwood Pharmaceuticals, Inc. | $3.55Oct 19, 2026 | +1.58%+$0.05 | $3.50 — to $3.59 | Health Care | Pharmaceutical Preparations |
| ISHP | First Trust Exchange-Traded Fund VI First Trust S-Network E-Commerce ETF | $34.63Oct 16, 2026 | +0.00%+$0.00 | $34.63 — to $34.63 | ETF | Exchange-Traded Fund |
| ISOU | IsoEnergy Ltd. | $8.37Oct 19, 2026 | +1.09%+$0.09 | $8.29 — to $8.40 | Energy | Energy |
| ISPR | Ispire Technology Inc. | $1.42Oct 16, 2026 | +0.00%+$0.00 | $1.42 — to $1.42 | Tobacco | Tobacco |
| ISRA | VanEck Israel ETF | $66.33Oct 16, 2026 | +0.00%+$0.00 | $66.33 — to $66.33 | ETF | Exchange-Traded Fund |
| ISRG | Intuitive Surgical, Inc. | $433.36Oct 19, 2026 | +1.51%+$6.45 | $426.81 — to $434.62 | Health Care | Orthopedic, Prosthetic & Surgical Appliances & Supplies |
| ISSC | Innovative Solutions and Support, Inc. | $24.75Aug 17, 2026 | +7.63%+$1.75 | $23.20 — to $24.93 | Aerospace & Defense | Aerospace & Defense |
| ISTB | iShares Core 1-5 Year USD Bond ETF | $47.30Oct 19, 2026 | -0.10%-$0.05 | $47.28 — to $47.34 | ETF | Exchange-Traded Fund |
| ISUNQ | ISUN INC COM | —No price data | —No comparison | — | Construction | Construction |
| IT | Gartner, Inc. | $207.44Oct 19, 2026 | +1.03%+$2.12 | $201.29 — to $208.02 | Industrials | Services-Management Services |
| ITA | iShares U.S. Aerospace & Defense ETF | $207.65Oct 19, 2026 | -0.71%-$1.49 | $206.78 — to $209.00 | ETF | Exchange-Traded Fund |
| ITB | iShares U.S. Home Construction ETF | $86.40Oct 16, 2026 | -0.41%-$0.36 | $85.89 — to $88.54 | ETF | Exchange-Traded Fund |
| ITEQ | Amplify BlueStar Israel Technology ETF | $60.56Oct 16, 2026 | +0.00%+$0.00 | $60.56 — to $60.56 | ETF | Exchange-Traded Fund |
| ITGR | Integer Holdings Corporation | $126.77Oct 19, 2026 | +0.04%+$0.05 | $126.74 — to $126.78 | Health Care | Health Care |
| ITOT | iShares Core S&P Total U.S. Stock Market ETF | $166.75Oct 19, 2026 | +0.43%+$0.72 | $166.56 — to $167.50 | ETF | Broad-Market ETF |
| ITP | IT Tech Packaging, Inc. | $0.15Oct 16, 2026 | +0.00%+$0.00 | $0.15 — to $0.15 | Paper & Forest | Paper & Forest |