TickerRisk vs send21

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

TickerRisk compared with send21
Detail	TickerRisk	send21
What it does	Hidden Risk Scanner for Options Traders	Non-custodial crypto payment links and API for people and AI agents
Stage	Growing	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Paid
Pricing	Free 14-day Pro trial with no credit card required. Pro subscription options: $19/month (billed monthly), $144/year (save 37%), or $12/month for founding members (locked forever, first 150 subscribers only).	One fee per payment: 0.49% on $0-$10, 0.39% on $10-$50, 0.29% on $50-$100, 0.19% on $100-$500, 0.14% on $500-$2,000, 0.09% on $2,000-$10,000, 0.04% on $10,000-$50,000, 0.02% on $50,000-$100,000, 0.01% above $100,000. Minimum $0.01, maximum $100. No subscription, setup fee or monthly minimum.
Key features	Full S&P 500 market scanner with 500+ tickers IV Rank and Edge Score for options signals Options signals including Greeks, skew and term structure Events calendar for earnings, ex-dividend and clinical trials Risk heat map dashboard for market overview Strategy scanners including Wheel and Covered Calls	REST API with scoped keys and batch drafts up to 25 per call Support for Bitcoin PSBT and batching wallets like Safe No KYC required, encrypted email storage only Idempotency keys for safe retries Shopify connection with custom app and setup help Fee collected separately on Ethereum and EVM chains via Safe batching
What makes it different	Combines earnings, legal, clinical trials, SEC filings and FDA actions in one risk score Edge Score identifies premium-selling opportunities by combining IV Rank and catalyst risk Risk score instantly re-weights to any option expiry window without new scan Data updated every 30 minutes for S&P 500 stocks Built by independent team of options traders with no VC roadmap	Not given
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	3 −1 (down) since last check	6 +2 (up) since last check
Trust Flow (Majestic)	18	15
Citation Flow (Majestic)	8	28
Referring domains (Majestic)	25	35

4 details filled in for both companies.

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