![Professor's Research [Professor Sada] - 189/198](https://pokemoncollectortools.com/images/pokemon/556953.jpg)
Professor's Research [Professor Sada] - 189/198
Pokémon · Professor Program Promos · Promo · 189/198
Released 2026-09-11
$10.21
30-day forecast: $10.07
Live Pokémon price tracking, buyout detection, and price predictions for Professor's Research [Professor Sada] - 189/198 on TCG Collector Tools.
Prices Across Marketplaces
Price Forecast
| Horizon | Forecast | vs Today |
|---|---|---|
| 7 days (stable) | $10.10 | -1.1% |
| 30 days (stable) | $10.07 | -1.4% |
| 90 days | $10.66 | +4.4% |
| 180 days | $10.66 | +4.4% |
| 1 year | $10.66 | +4.4% |
Confidence: Crystal Ball · Calibrated 30-day range $8.41–$11.73 · presale card · veryLow volatility
Our Forecast Track Record
What we predicted for this card, and what actually happened. We publish misses as well as hits. Anchored 2026-06-11 · at $13.82 · 93 days ago.
| Horizon | We predicted | Actual | Error |
|---|---|---|---|
| Day 7 | $11.81 | $13.76 | +16.5% |
| Day 30 | $11.93 | $13.83 | +15.9% |
| Day 90 | $12.43 | $10.21 | -17.9% |
Signal Analysis
Mixed signals. Monitor for clearer direction.
Recent Price History
Frequently Asked Questions
How much is Professor's Research [Professor Sada] - 189/198 worth?
Professor's Research [Professor Sada] - 189/198 is currently $10.21 on TCGplayer for the Professor Program Promos printing. Prices update daily from live marketplace data.
Is Professor's Research [Professor Sada] - 189/198 going up or down in price?
Our 30-day forecast for Professor's Research [Professor Sada] - 189/198 is $10.07, with a stable trend (data confidence: Crystal Ball).