2018 Panini Contenders Michael Porter Jr. Ball at Waist Autograph Playoff #137
2018
See all Michael Porter Jr. cards & values2018 seasonMissouri Tigers men's basketballMichael Porter Jr. career & card values
$54.50est. value (ungraded)
Prices updated 2026-10-23
Based on recorded sold prices how we price cards
Michael Porter Jr. price history
Ungraded market value, one reading a day. One-day spikes that reverse the next day are left out.
Price by month
Average price of the 2018 Panini Contenders Michael Porter Jr. Ball at Waist Autograph Playoff #137 each month, from 1 recorded price reading. Prices are re-checked regularly; a month's average counts each day from that month's first reading at the price that held that day.
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $54.50 | — |
Michael Porter Jr. prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $54.50 | Buy on eBay ↗ |
| PSA 8 | $155.00 | Buy on eBay ↗ |
| PSA 9 | $350.00 | Buy on eBay ↗ |
| Grade 9.5 | $385.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission2018 Panini Contenders Michael Porter Jr. Ball at Waist Autograph Playoff #137 value & prices
The 2018 Panini Contenders Michael Porter Jr. Ball at Waist Autograph Playoff #137 is a Basketball card (Ball at Waist Autograph Playoff parallel) released in 2018. Ungraded copies carry a market value of about $54.50.
An ungraded copy is worth around $54.50 and a PSA 9 around $350.00.
Is it worth grading?
With raw copies near $54.50 and top grades reaching $350.00, grading a sharp copy of this card can clearly pay for itself — the spread comfortably covers a typical ~$25.00 grading fee. The catch: only submit copies with strong centering, clean corners, and unmarked surfaces, because anything below a 9 usually erases the math.
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