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)3.80-9.95-7.090.613.391.6723.9311.17.45149.79-3.44-0.779.83-6.65-66.8163.90-1.3514.13
24Q2 (19)4.226.3-9.440.597.27-11.9421.54-5.9810.24155.13-5.8314.5910.53-20.41-66.26166.15-4.7434.31
24Q1 (18)3.97-12.36-5.250.55-11.29-23.6122.9114.155.53164.7311.9830.0913.23-28.41-47.4174.4117.2941.59
23Q4 (17)4.5310.768.890.623.33-22.520.07-9.88-8.23147.11-2.5428.9318.48-37.5913.51148.703.5424.24
23Q3 (16)4.09-12.2324.70.60-10.450.022.2713.97-19.63150.9511.50.2129.61-5.1351.23143.6116.09-9.55
23Q2 (15)4.6611.2243.380.67-6.9421.8219.54-10.0-30.21135.386.91-17.7331.2124.131.24123.710.43-26.7
23Q1 (14)4.190.7225.450.72-10.030.9121.71-0.73-20.3126.6310.98-23.025.1554.4831.61123.182.92-28.63
22Q4 (13)4.1626.83-3.930.8033.3326.9821.87-21.084.14114.10-24.26-21.5716.28-16.8540.59119.69-24.61-22.73
22Q3 (12)3.280.92-11.110.609.0911.1127.71-1.0412.37150.64-8.45-10.3219.58-17.6635.13158.77-5.93-10.87
22Q2 (11)3.25-2.69-12.630.550.03.7728.002.7914.33164.550.05-4.0423.7824.4432.33168.77-2.22-5.18
22Q1 (10)3.34-22.86-17.940.55-12.71.8527.2429.7121.77164.4613.05-1.7919.1165.039.2172.6011.430.16
21Q4 (9)4.3317.34-20.990.6316.6712.521.00-14.8426.58145.48-13.39-10.0811.58-20.08-27.58154.89-13.05-4.62
21Q3 (8)3.69-0.81-30.90.541.898.024.660.6944.8167.97-2.04-7.314.49-19.37-9.94178.140.08-2.19
21Q2 (7)3.72-8.6-10.790.53-1.8517.7824.499.4812.08171.472.4-16.017.972.692.39177.993.29-14.6
21Q1 (6)4.07-25.7328.390.54-3.5722.7322.3734.84-22.16167.453.5-18.3217.509.44-3.9172.326.11-20.05
20Q4 (5)5.482.62-2.320.5612.0-8.216.59-2.582.28161.79-10.717.5915.99-0.62-9.56162.40-10.839.05
20Q3 (4)5.3428.060.00.5011.110.017.03-22.060.0181.19-11.240.016.09-8.320.0182.13-12.610.0
20Q2 (3)4.1731.550.00.452.270.021.85-23.970.0204.13-0.430.017.55-3.620.0208.42-3.30.0
20Q1 (2)3.17-43.490.00.44-27.870.028.7477.190.0205.0136.330.018.213.00.0215.5444.740.0
19Q4 (1)5.610.00.00.610.00.016.220.00.0150.380.00.017.680.00.0148.920.00.0
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)17.2619.032.68-1.1121.14-16.04136.241.0518.750.16138.64-1.87
2022 (9)14.50-9.262.7118.8625.1810.25134.82-15.7918.7216.27141.28-15.32
2021 (8)15.98-1.182.2814.5722.841.2160.10-12.4916.10-11.39166.84-10.95
2020 (7)16.17-13.391.99-23.4622.5715.39182.9630.1118.1729.51187.3628.2
2019 (6)18.676.142.600.3919.56-5.73140.62-0.0714.03-6.47146.15-0.23
2018 (5)17.5967.522.598.3720.75-40.29140.72-7.9415.00-5.54146.48-14.7
2017 (4)10.5021.812.39-0.4234.75-17.93152.850.5115.88-22.0171.72-1.33
2016 (3)8.62-19.742.40-2.0442.3424.6152.071.9820.36-16.8174.049.71
2015 (2)10.7412.72.4515.0233.98-11.28149.12-13.1624.47-6.35158.63-13.74
2014 (1)9.5314.272.13-23.138.30-12.44171.7230.2726.139.74183.8921.18

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