Canonical research path: /tradeday-promo-code-pfk-50-off-2026/ · Updated September 2026
Treat this Hugging Face Space page as an open research note with an embedded
model-lab fee calculator for TradeDay. The lab hypothesis lists partner code
"PFK" at 50% off evaluation fees — but a hypothesis
only becomes evidence when the live cart total drops after you paste PFK.
Angle ≠ CDN mirrors: this note is written for the HF static Space research lane (model-lab calculator + open notebook tone), not copied from Vercel/Netlify/CF/Firebase/Tumblr/Notion builds.
Slide a list fee through a 50% discount kernel. Use it as a pre-checkout sanity check.
Kernel: after = list × (1 − 50/100) · code slot = PFK
Synthetic model-lab rows for TradeDay (PFK 50% lab). List prices are research placeholders — always prefer the live checkout number.
| Account | List (lab) | After PFK |
|---|---|---|
| $25K | $197 | $98 |
| $50K | $337 | $168 |
| $100K | $527 | $264 |
| $150K | $627 | $314 |
TradeDay is catalogued here as Chicago US futures. Lab notes call out PFK 50% lab, platform stack hints around Intraday/EOD/Static, and payout/ops context: James Thorpe / 2020.
A working promo code is worthless if the account rules clash with how you trade. Before funding:
Is "PFK" a live TradeDay promo code in 2026?
Model-lab note: "PFK" is the partner code on file at 50% off for TradeDay. Open-research stance — treat the lab rate as a hypothesis until the checkout total moves.
Does PFK stack with TradeDay house banners?
Research note: assume no stacking. Run the model-lab fee calculator once with PFK, once with the house banner, and pay the lower verified total.
Which TradeDay plans does PFK hit?
Lab coverage lists PFK 50% lab across common account sizes. Confirm each SKU at checkout — excluded SKUs will leave the total unchanged.
What angle does this Hugging Face page take on TradeDay?
This is an open research note + model-lab fee calculator — not a mirror of Vercel/Netlify/Cloudflare/Firebase pages. We frame TradeDay as Chicago US futures with Intraday/EOD/Static.
Can the 50% figure change overnight?
Yes. Affiliate and house promotions expire. Re-run the calculator and re-check the live cart on every purchase.
Is this affiliated with TradeDay?
Independent research note with optional partner links when available. Always read TradeDay official terms.
"PFK" is the TradeDay code on file at 50% — pending your own checkout verification inside this Hugging Face model-lab note. Database percentage ≠ paid invoice.