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Wildcard → Lag Board → Cal Ripken Jr

Cal Ripken Jr vs Ken Griffey Jr

1982 Topps Traded #98T against 1989 Upper Deck #1 — measured, not predicted.

Building a baseline Same era Baseball

Measuring Cal Ripken Jr against Ken Griffey Jr — 7 of 8 observations needed before a baseline means anything.

Ratio now
208.6%
Baseline
not established yet
Vs baseline
—
Observations
7
Ken Griffey Jr, 30d
-0.3%
Cal Ripken Jr, 30d
+1.5%
☆ Watch Cal Ripken Jr's card

Saves Cal Ripken Jr's 1982 Topps Traded #98T to your watchlist, where the daily scan flags listings priced under that card's own comparable sales. That is a different question from this board: the watchlist will not tell you when this ratio moves, and nothing here alerts on the gap.

held out of the baseline100%150%200%28 Aug — 148.3% peer $175 / anchor $11830 Aug — 150% peer $175 / anchor $11731 Aug — 150% peer $175 / anchor $1172 Sep — 146.2% peer $179 / anchor $1224 Sep — 149.3% peer $183 / anchor $1225 Sep — 149.3% peer $183 / anchor $1226 Sep — 140.8% peer $183 / anchor $1307 Sep — 170.5% peer $200 / anchor $1178 Sep — 170.5% peer $200 / anchor $1179 Sep — 170.5% peer $200 / anchor $11710 Sep — 170.5% peer $200 / anchor $11711 Sep — 137.5% peer $181 / anchor $13212 Sep — 137.5% peer $181 / anchor $13213 Sep — 156.8% peer $194 / anchor $12314 Sep — 156.8% peer $194 / anchor $12315 Sep — 156.8% peer $194 / anchor $12316 Sep — 156.8% peer $194 / anchor $12317 Sep — 156.8% peer $194 / anchor $12318 Sep — 153.7% peer $194 / anchor $12619 Sep — 153.7% peer $194 / anchor $12620 Sep — 155.2% peer $195 / anchor $12621 Sep — 155.2% peer $195 / anchor $12623 Sep — 149.4% peer $188 / anchor $12624 Sep — 149.4% peer $188 / anchor $12625 Sep — 149.4% peer $188 / anchor $12626 Sep — 180.2% peer $187 / anchor $10427 Sep — 180.2% peer $187 / anchor $10428 Sep — 186.1% peer $193 / anchor $10429 Sep — 199.6% peer $193 / anchor $9730 Sep — 199.6% peer $193 / anchor $971 Oct — 190.6% peer $185 / anchor $972 Oct — 190.6% peer $185 / anchor $973 Oct — 199.6% peer $185 / anchor $934 Oct — 199.6% peer $185 / anchor $935 Oct — 192.2% peer $186 / anchor $976 Oct — 192.2% peer $186 / anchor $977 Oct — 192.2% peer $186 / anchor $978 Oct — 202.3% peer $187 / anchor $929 Oct — 87.4% peer $437 / anchor $50010 Oct — 77% peer $385 / anchor $50013 Oct — 204.9% peer $197 / anchor $9614 Oct — 204.9% peer $197 / anchor $9615 Oct — 204.9% peer $197 / anchor $9616 Oct — 204.9% peer $197 / anchor $9617 Oct — 207.3% peer $200 / anchor $9618 Oct — 207.8% peer $200 / anchor $9619 Oct — 208.6% peer $200 / anchor $96208.6% now28 Aug19 Oct
Ratio of Cal Ripken Jr's 1982 Topps Traded #98T to Ken Griffey Jr's 1989 Upper Deck #1. Gold fill marks where the ratio sits below the baseline, rose where it sits above. The shaded stretch on the right is held out of the baseline on purpose — see the method below. Hover any point for its values; every number is in the table.
Every recorded observation
ObservedRatioPeerAnchorvs baseline
2026-10-19208.6%$200$96—
2026-10-18207.8%$200$96—
2026-10-17207.3%$200$96—
2026-10-16204.9%$197$96—
2026-10-15204.9%$197$96—
2026-10-14204.9%$197$96—
2026-10-13204.9%$197$96—
2026-10-1077%$385$500—
2026-10-0987.4%$437$500—
2026-10-08202.3%$187$92—
2026-10-07192.2%$186$97—
2026-10-06192.2%$186$97—
2026-10-05192.2%$186$97—
2026-10-04199.6%$185$93—
2026-10-03199.6%$185$93—
2026-10-02190.6%$185$97—
2026-10-01190.6%$185$97—
2026-09-30199.6%$193$97—
2026-09-29199.6%$193$97—
2026-09-28186.1%$193$104—
2026-09-27180.2%$187$104—
2026-09-26180.2%$187$104—
2026-09-25149.4%$188$126—
2026-09-24149.4%$188$126—
2026-09-23149.4%$188$126—
2026-09-21155.2%$195$126—
2026-09-20155.2%$195$126—
2026-09-19153.7%$194$126—
2026-09-18153.7%$194$126—
2026-09-17156.8%$194$123—
2026-09-16156.8%$194$123—
2026-09-15156.8%$194$123—
2026-09-14156.8%$194$123—
2026-09-13156.8%$194$123—
2026-09-12137.5%$181$132—
2026-09-11137.5%$181$132—
2026-09-10170.5%$200$117—
2026-09-09170.5%$200$117—
2026-09-08170.5%$200$117—
2026-09-07170.5%$200$117—

Why these two

Ripken's 1982 Topps Traded #98T against the most-collected rookie of the era that followed it. The Traded set was sold as a boxed factory set rather than in packs, which gives it a different supply profile from a pack-pulled rookie.

What would make this wrong

That different supply profile cuts both ways: boxed-set survival rates are high, and a re-grading wave can change the population quickly. The two cards' scarcity profiles are not alike, so part of this ratio is structural.

How this is measured

Priced on ungraded (raw) copies, not the PSA 9 this pairing names — the price guide returned no value for those grades on this subscription, so both cards fell back to the same basis. The ratio is a like-for-like comparison and the history is sound; the grade in the card names above is what it does not describe.

Each scan records one number: the fair value of Cal Ripken Jr's 1982 Topps Traded #98T divided by the fair value of Ken Griffey Jr's 1989 Upper Deck #1, both from comparable sales. The baseline is the median of those observations over 90 days — excluding the most recent 21, so a fresh move cannot drag down the very number it is being measured against. Below 8 observations there is no baseline and this page says so instead of showing one.

The baseline is never authored. It is the median of what was recorded, or it does not exist. Nobody types a target ratio into this system.

This is an observation about a historical relationship, not a forecast. A gap that never closes means the market permanently re-rated Cal Ripken Jr rather than temporarily forgot him — that is the risk in every pairing here, and it does not mean-revert on a schedule.

Look at the actual cards

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