玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)0.762.71.332.1310.36-1.84120.53-1.65-1.0842.67-9.311.5299.79-0.183.0563.41-8.92-5.41
24Q2 (19)0.7423.33-3.91.9321.384.89122.55-18.833.2347.05-17.83-4.7899.97-22.879.9569.62-11.46-9.83
24Q1 (18)0.60-13.049.091.59-23.9215.22150.9814.85-9.0457.2631.66-13.06129.6120.399.2678.6316.85-30.55
23Q4 (17)0.69-8.021.052.09-3.6923.67131.467.89-18.2343.493.47-19.3107.6611.175.167.290.37-40.04
23Q3 (16)0.75-2.611.942.1717.9333.95121.852.65-10.0542.03-14.94-25.3596.846.518.5267.04-13.17-34.61
23Q2 (15)0.7740.042.591.8433.3354.62118.71-28.48-29.5849.41-24.98-35.3390.92-23.36-24.3677.21-31.8-38.11
23Q1 (14)0.55-3.51-6.781.38-18.34-2.13165.983.246.865.8622.212.12118.6315.81.71113.210.889.63
22Q4 (13)0.57-14.93-10.941.694.320.6160.7718.6813.9353.89-4.28-0.52102.4414.79-2.47112.229.4524.36
22Q3 (12)0.6724.073.081.6236.13-5.81135.47-19.64-3.2556.30-26.316.4189.24-25.76-14.31102.53-17.8215.47
22Q2 (11)0.54-8.47-30.771.19-15.6-35.68168.578.4743.8976.4018.4755.22120.203.0627.99124.7620.8172.2
22Q1 (10)0.59-7.81-7.811.41-16.07-11.88155.4110.139.8164.4919.0513.48116.6311.04-2.82103.2714.4431.84
21Q4 (9)0.64-1.540.01.68-2.33-12.04141.110.78-1.0254.172.3813.68105.030.85-12.9990.241.6329.84
21Q3 (8)0.65-16.67-2.991.72-7.03-20.74140.0219.522.7752.917.526.43104.1410.89-2.3788.7922.5524.32
21Q2 (7)0.7821.88-9.31.8515.62-25.4117.15-17.2210.7249.22-13.3933.993.91-21.7516.3772.45-7.5117.08
21Q1 (6)0.640.056.11.60-16.238.84141.52-0.73-35.7356.8319.27-8.21120.02-0.57-12.8578.3312.71-45.76
20Q4 (5)0.64-4.48-5.881.91-11.98-17.67142.564.646.3947.6513.8621.22120.7113.1626.869.50-2.69-11.02
20Q3 (4)0.67-22.090.02.17-12.50.0136.2428.760.041.8513.850.0106.6732.180.071.4215.420.0
20Q2 (3)0.86109.760.02.4868.710.0105.81-51.950.036.76-40.620.080.70-41.40.061.88-57.150.0
20Q1 (2)0.41-39.710.01.47-36.640.0220.2164.340.061.9157.490.0137.7144.650.0144.4284.890.0
19Q4 (1)0.680.00.02.320.00.0134.000.00.039.310.00.095.200.00.078.110.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)2.648.647.2811.83138.44-7.950.12-10.64110.612.2777.96-20.65
2022 (9)2.43-12.276.51-10.58150.3213.9756.0911.82108.162.1198.2529.04
2021 (8)2.779.497.28-3.06131.90-8.5250.163.17105.92-10.9576.143.09
2020 (7)2.535.427.51-5.06144.19-5.3948.625.42118.9511.5973.86-19.65
2019 (6)2.400.07.910.51152.400.1846.12-0.52106.604.791.92-4.91
2018 (5)2.40-1.237.878.4152.121.3546.36-7.74101.81-3.4896.671.9
2017 (4)2.43-13.837.263.12150.1016.0450.25-3.03105.481.6294.8722.62
2016 (3)2.824.837.047.15129.35-4.5451.82-6.71103.809.7977.37-19.83
2015 (2)2.69-9.126.570.15135.509.9455.55-0.294.5416.4196.51-1.22
2014 (1)2.96-6.036.56-3.39123.256.4255.663.5581.21-5.2597.7016.5

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