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FREE First MLB Portfolio on Portfolio EV: A Step-by-Step Guide

Updated May 29, 2025 | 11:57 am CDT by Sam Smith

Portfolio EV. That’s totally normal — and totally solvable. Instead of leaving you to stumble through it on your own, we’re handing you a plug-and-play, profitable MLB betting portfolio you can start using right now. This is data-backed value from Day 1. Here’s how to build a profitable betting portfolio from Step 1.

How to Build a Profitable MLB Betting Portfolio on Portfolio EV

Stop guessing. Start making smarter, sharper Portfolio Betting page now!

Step 1: Open the Portfolio Lab

  1. Head to the Portfolio Lab.
  2. Click “New Portfolio.”
  3. Choose your state, sportsbooks you have access to and MLB as your sport.
  4. Leave every other setting as is:
    • All sportsbooks
    • All bet types
    • All OS Ratings
    • All start times
    • All EV ages
    • Flat Conservative bet sizing

Click “View Markets.”

Step 2: Set to Current Season

Under Filters, change to Current Season. Then hit the Quick Select dropdown and select “Above 0% hROI. This will filter out all markets with bets below 0% ROI this season. Here is the volume and hROI at this point in the process:

At this point, you already have a working +EV MLB portfolio — one you could save and use profitably right now. But we’re going to dial things in even more to push that ROI higher.

Step 3: Refine for Higher ROI

Click the Settings button at the top of the Portfolio Lab.

Adjust the sliders to:

  • Minimum OS Rating: 1
  • Minimum EV Age: 5 Minutes

What these settings do:

  • OS Rating of 1+ filters out lower-quality bets.
  • 5-minute EV age eliminates short-lived “ghost edges” that vanish quickly as odds shift.

Now click “View Markets” again, then again filter to current season and remove negative-hROI bets.

At this point, you’ll likely notice:

  • A number of markets are now -EV, so your estimated bets per day have dropped 60% of what you had before — though it’s still a decent amount of volume.
  • Your historical ROI (hROI) has about increased by a full percentage point.

Here’s where you can make some decisions. You could keep the parameters really broad and have massive volume and solid projected ROI, or you could be a bit choosier, have decent volume and better ROI. Personally, I recommend taking the OS Rating of 1 as the setting since 78 is still solid volume per day, especially when you factor in other profitable portfolios you will be betting during the MLB season — WNBA early and NFL late, for example.

Step 4: Save Your Portfolio

Click “Save Portfolio.” Name it something easy to like +EV MLB.

Now when you visit the Mass Entry tool.

Pro tip: The more sportsbooks you’re signed up for, the more value you unlock. But if you’re only on a few, no problem — you can filter your portfolio to just those books too.

You’re Done — You’re Live with a +EV Portfolio

That’s it. You now have a live, profitable, real-money MLB betting portfolio — tailored for you and backed by edge-based data. No more spinning your wheels. No more wondering if you’re doing it right.

Just fire up +EV bets today.

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Sam Smith

Author

Sam Smith

Sam Smith is a writer and editor with Stokastic and OddsShopper. He has been immersed in the world of professional sports data since 2015 while also writing extensively on the NFL for a multitude of blogs and websites. With OddsShopper, Sam looks to blend his sports and editorial expertise with OddsShopper's data to bring you the best betting information possible.

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