Cheapest real-time options flow tools (2026)
Only tools whose vendor explicitly states real-time or live flow data are included; tools with unknown latency are excluded. 'From' uses the cheapest listed plan, which may not be the plan that includes real-time flow – check the plan list.
| Tool | From /mo | Plans | Data delay (vendor wording) | Notes | Source |
|---|---|---|---|---|---|
| Stocknear | Free · paid from $10/mo | Basic: Free/mo Plus: —/mo ($10/mo annual) Pro: —/mo ($20/mo annual) | Real-time options flow on Pro | Plus $10/mo and Pro $20/mo shown as billed annually (page says 'save up to 25%' vs monthly); monthly-billing prices not captured. Pro adds real-time options flow, unusual orders, MCP. 30-day money-back guarantee. | source, checked 2026-10-16 |
| Unusual Whales | Free · paid from $42/mo | Free: Free/mo Retail Basic: $50/mo ($42/mo annual) Retail Pro: $75/mo ($63/mo annual) Retail Max: $120/mo ($102/mo annual) | Real-time on paid plans | unknown | source, checked 2026-10-16 |
| Bullflow | $33 | Bullflow Basic: $39/mo ($33/mo annual) Bullflow Premium: $69/mo ($59/mo annual) Bullflow Data API (incl. Premium): $129/mo ($99/mo annual) | Real-time options flow (all plans); real-time/historical dark pool on Premium | No free plan or trial shown on the pricing page. Promo at check time: code API40 = 40% off first month of the Data API plan ($77.40 first month); list prices recorded. Annual = $396/yr Basic, $708/yr Premium, $1,188/yr API. Page is JavaScript-rendered; values read via headless browser. | source, checked 2026-10-16 |
| OptionStrat | $39.99 | Live Tools: $39.99/mo Live Flow: $99.99/mo | Live on paid plans | unknown | source, checked 2026-10-16 |
| InsiderFinance | $55 | Monthly: $75/mo Quarterly: $65/mo Annual: —/mo ($55/mo annual) | Real-time | unknown | source, checked 2026-10-16 |
| BlackBoxStocks | $59 | Options Basic: $59/mo Options Plus: $79/mo Equities Plus: $89/mo Equities & Options Premium: $149/mo | Real-time | unknown | source, checked 2026-10-16 |
| Quant Data | $62.50 | Standard: $74.99/mo ($62.50/mo annual) Options + Futures bundle: $119.99/mo ($100/mo annual) API / MCP: $149.99/mo ($124.99/mo annual) | Real-time | Vendor llms.txt (pricing page itself requires JS/login). Standard $749.99/yr; App Store lists $799.99/yr. Professional plan price not public. | source, checked 2026-10-16 |
| Cheddar Flow | $75 | Standard: $85/mo Professional: $99/mo Pro Annual: —/mo ($75/mo annual) | Real-time | Promo FALL26 code shown (35% off) at check time; list prices recorded. | source, checked 2026-10-16 |
| TrendSpider | $89 | Standard: $89/mo Premium: $149/mo Enhanced: $199/mo Advanced: $349/mo Business: $399/mo | Real-time; OPRA options data add-on $9.50/mo (non-pro) | Charting platform with unusual options flow feature. Listed undiscounted monthly prices shown; page also shows promotional/annual rates from $49.68/mo (Standard) that are hard to map reliably. Business is 'from $399'. | source, checked 2026-10-16, partial data |
Built from FlowStack data checked 2026-10-16. Facts only; not investment advice and not a ranking of quality. Verify prices on each vendor's site.