AGNC vs O vs NLY vs NNN

For growth investors, AGNC Investment Corp.

(AGNC) is the stronger pick with 384. 7% revenue growth year-over-year, versus 5. 4% for Annaly Capital Management, Inc. (NLY). Annaly Capital Management, Inc. (NLY) offers the better valuation at 7. 7x trailing P/E (7. 5x forward), making it the more compelling value choice. Analysts rate Annaly Capital Management, Inc. (NLY) a "Buy" — based on 28 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Annaly Capital Management, Inc.

(NLY) is the cheapest at 7. 7x versus Realty Income Corporation at 52. 8x. On forward P/E, AGNC Investment Corp. is actually cheaper at 6. 9x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: NNN REIT, Inc. wins at 1. 94x versus Realty Income Corporation's 71. 28x — a reasonable growth-adjusted valuation.

Over the past 5 years, Realty Income Corporation (O) delivered a total return of +16.

9%, compared to -2. 2% for AGNC Investment Corp. (AGNC). Over 10 years, the gap is even starker: AGNC returned +46. 9% versus NLY's +35. 5%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Realty Income Corporation (O) is the lower-risk stock at 0.

09β versus AGNC Investment Corp. 's 0. 74β — meaning AGNC is approximately 722% more volatile than O relative to the S&P 500. On balance sheet safety, AGNC Investment Corp. (AGNC) carries a lower debt/equity ratio of 1% versus 7% for Annaly Capital Management, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), AGNC Investment Corp.

(AGNC) is pulling ahead at 384. 7% versus 5. 4% for Annaly Capital Management, Inc. (NLY). On earnings-per-share growth, the picture is similar: AGNC Investment Corp. grew EPS 1760% year-over-year, compared to -3. 7% for NNN REIT, Inc.. Over a 3-year CAGR, AGNC leads at 26. 4% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

NNN REIT, Inc.

(NNN) is the more profitable company, earning 42. 1% net margin versus 17. 7% for AGNC Investment Corp. — meaning it keeps 42. 1% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: NLY leads at 102. 6% versus 28. 3% for O. At the gross margin level — before operating expenses — AGNC leads at 100. 0%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, NNN REIT, Inc. (NNN) is the more undervalued stock at a PEG of 1. 94x versus Realty Income Corporation's 71. 28x. Both stocks trade at elevated growth-adjusted valuations, so expected growth needs to materialise. On forward earnings alone, AGNC Investment Corp. (AGNC) trades at 6. 9x forward P/E versus 37. 1x for Realty Income Corporation — 30. 3x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for NLY: 9. 4% to $24. 50.

All stocks in this comparison pay dividends.

AGNC Investment Corp. (AGNC) offers the highest yield at 14. 7%, versus 5. 2% for Realty Income Corporation (O).

For long-horizon retirement investors, Realty Income Corporation (O) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

09), 5. 2% yield). Both have compounded well over 10 years (O: +45. 1%, AGNC: +46. 9%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Real Estate sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: AGNC is a small-cap high-growth stock; O is a mid-cap income-oriented stock; NLY is a mid-cap deep-value stock; NNN is a small-cap income-oriented stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.