News Latency Cost Calculator
Market-moving news is priced in within seconds. Plug in your numbers to see what a slow feed costs you on a single event — and per year.
How the estimate works
A headline doesn't move the price instantly — it reprices over a short window as orders hit the book. We model that as a straight line over your repricing window. If the price fully absorbs a move over R seconds and you act D seconds late, you've missed a fraction min(D / R, 1) of the move:
| Term | Meaning |
|---|---|
| Missed fraction | min( delay ÷ repricing window , 1 ) |
| Cost per event | position size × move% × missed fraction |
| Cost per year | cost per event × tradable events |
It's a first-order estimate, not a guarantee — real fills depend on liquidity, slippage and your execution. The point isn't the exact dollar; it's the order of magnitude. For active traders it is rarely small, and it compounds across every event you trade.
Where the seconds go
| Feed type | Typical headline delay | For traders? |
|---|---|---|
| Free consumer news apps / social scrolling | 30–120s+ (and you have to be looking) | No |
| Standard broker news tab | 10–60s | Marginal |
| Aggregated real-time trader feed (40+ sources, one stream) | Sub-2s target | Yes |
Ranges are indicative of feed categories, not a benchmark of any single provider.
Trade the headline, not the echo
Top Tier Newswire aggregates 40+ sources into one real-time feed with sub-2-second latency, sentiment tagging, custom watchlists and a live social stream — built for traders who need market-moving news before it's already priced in.